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Finding the Fourth Proportional to 478,233.08, 716,562.28 and 334,153.52

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Solution

The fourth proportional to 478,233.08, 716,562.28 and 334,153.52 is: 500,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,233.08 : 716,562.28 = 334,153.52 : x
  2. Step 2: Convert to fraction form
    478,233.08/716,562.28 = 334,153.52/x
  3. Step 3: Cross multiply
    478,233.08x = 716,562.28 × 334,153.52
  4. Step 4: Simplify right side
    478,233.08x = 239,441,807,683.22
  5. Step 5: Solve for x
    x = 239,441,807,683.22/478,233.08
  6. Step 6: Final answer
    x = 500,680.15

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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.