Home / 992,272.68-1,488,417.32-318,355.11

Finding the Fourth Proportional to 992,272.68, 1,488,417.32 and 318,355.11

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Solution

The fourth proportional to 992,272.68, 1,488,417.32 and 318,355.11 is: 477,535.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,272.68 : 1,488,417.32 = 318,355.11 : x
  2. Step 2: Convert to fraction form
    992,272.68/1,488,417.32 = 318,355.11/x
  3. Step 3: Cross multiply
    992,272.68x = 1,488,417.32 × 318,355.11
  4. Step 4: Simplify right side
    992,272.68x = 473,845,260,430.39
  5. Step 5: Solve for x
    x = 473,845,260,430.39/992,272.68
  6. Step 6: Final answer
    x = 477,535.33

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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.