Home / 730,230.90-1,095,087.15-505,590.90

Finding the Fourth Proportional to 730,230.90, 1,095,087.15 and 505,590.90

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Solution

The fourth proportional to 730,230.90, 1,095,087.15 and 505,590.90 is: 758,206.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,230.90 : 1,095,087.15 = 505,590.90 : x
  2. Step 2: Convert to fraction form
    730,230.90/1,095,087.15 = 505,590.90/x
  3. Step 3: Cross multiply
    730,230.90x = 1,095,087.15 × 505,590.90
  4. Step 4: Simplify right side
    730,230.90x = 553,666,097,746.94
  5. Step 5: Solve for x
    x = 553,666,097,746.94/730,230.90
  6. Step 6: Final answer
    x = 758,206.89

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.