Home / 724,618.71-1,087,066.12-292,370.46

Finding the Fourth Proportional to 724,618.71, 1,087,066.12 and 292,370.46

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Solution

The fourth proportional to 724,618.71, 1,087,066.12 and 292,370.46 is: 438,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,618.71 : 1,087,066.12 = 292,370.46 : x
  2. Step 2: Convert to fraction form
    724,618.71/1,087,066.12 = 292,370.46/x
  3. Step 3: Cross multiply
    724,618.71x = 1,087,066.12 × 292,370.46
  4. Step 4: Simplify right side
    724,618.71x = 317,826,023,410.33
  5. Step 5: Solve for x
    x = 317,826,023,410.33/724,618.71
  6. Step 6: Final answer
    x = 438,611.40

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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.