Home / 750,786.25-1,126,010.73-345,590.16

Finding the Fourth Proportional to 750,786.25, 1,126,010.73 and 345,590.16

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Solution

The fourth proportional to 750,786.25, 1,126,010.73 and 345,590.16 is: 518,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,786.25 : 1,126,010.73 = 345,590.16 : x
  2. Step 2: Convert to fraction form
    750,786.25/1,126,010.73 = 345,590.16/x
  3. Step 3: Cross multiply
    750,786.25x = 1,126,010.73 × 345,590.16
  4. Step 4: Simplify right side
    750,786.25x = 389,138,226,614.47
  5. Step 5: Solve for x
    x = 389,138,226,614.47/750,786.25
  6. Step 6: Final answer
    x = 518,307.61

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Double scale
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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.