Home / 778,654.98-1,074,292.26-434,435.10

Finding the Fourth Proportional to 778,654.98, 1,074,292.26 and 434,435.10

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Solution

The fourth proportional to 778,654.98, 1,074,292.26 and 434,435.10 is: 599,380.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,654.98 : 1,074,292.26 = 434,435.10 : x
  2. Step 2: Convert to fraction form
    778,654.98/1,074,292.26 = 434,435.10/x
  3. Step 3: Cross multiply
    778,654.98x = 1,074,292.26 × 434,435.10
  4. Step 4: Simplify right side
    778,654.98x = 466,710,265,402.33
  5. Step 5: Solve for x
    x = 466,710,265,402.33/778,654.98
  6. Step 6: Final answer
    x = 599,380.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.