Home / 724,981.90-1,087,618.65-607,467.10

Finding the Fourth Proportional to 724,981.90, 1,087,618.65 and 607,467.10

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Solution

The fourth proportional to 724,981.90, 1,087,618.65 and 607,467.10 is: 911,322.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,981.90 : 1,087,618.65 = 607,467.10 : x
  2. Step 2: Convert to fraction form
    724,981.90/1,087,618.65 = 607,467.10/x
  3. Step 3: Cross multiply
    724,981.90x = 1,087,618.65 × 607,467.10
  4. Step 4: Simplify right side
    724,981.90x = 660,692,547,221.42
  5. Step 5: Solve for x
    x = 660,692,547,221.42/724,981.90
  6. Step 6: Final answer
    x = 911,322.82

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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.