Home / 454,427.60-681,641.40-365,854.10

Finding the Fourth Proportional to 454,427.60, 681,641.40 and 365,854.10

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Solution

The fourth proportional to 454,427.60, 681,641.40 and 365,854.10 is: 548,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,427.60 : 681,641.40 = 365,854.10 : x
  2. Step 2: Convert to fraction form
    454,427.60/681,641.40 = 365,854.10/x
  3. Step 3: Cross multiply
    454,427.60x = 681,641.40 × 365,854.10
  4. Step 4: Simplify right side
    454,427.60x = 249,381,300,919.74
  5. Step 5: Solve for x
    x = 249,381,300,919.74/454,427.60
  6. Step 6: Final answer
    x = 548,781.15

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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.