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Finding the Fourth Proportional to 498,566.40, 747,849.60 and 472,322.40

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Solution

The fourth proportional to 498,566.40, 747,849.60 and 472,322.40 is: 708,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,566.40 : 747,849.60 = 472,322.40 : x
  2. Step 2: Convert to fraction form
    498,566.40/747,849.60 = 472,322.40/x
  3. Step 3: Cross multiply
    498,566.40x = 747,849.60 × 472,322.40
  4. Step 4: Simplify right side
    498,566.40x = 353,226,117,911.04
  5. Step 5: Solve for x
    x = 353,226,117,911.04/498,566.40
  6. Step 6: Final answer
    x = 708,483.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.