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Finding the Fourth Proportional to 498,511.04, 748,010.52 and 308,920.70

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Solution

The fourth proportional to 498,511.04, 748,010.52 and 308,920.70 is: 463,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,511.04 : 748,010.52 = 308,920.70 : x
  2. Step 2: Convert to fraction form
    498,511.04/748,010.52 = 308,920.70/x
  3. Step 3: Cross multiply
    498,511.04x = 748,010.52 × 308,920.70
  4. Step 4: Simplify right side
    498,511.04x = 231,075,933,445.76
  5. Step 5: Solve for x
    x = 231,075,933,445.76/498,511.04
  6. Step 6: Final answer
    x = 463,532.23

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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.