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Finding the Fourth Proportional to 532,376.70, 735,011.46 and 338,893.62

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Solution

The fourth proportional to 532,376.70, 735,011.46 and 338,893.62 is: 467,884.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,376.70 : 735,011.46 = 338,893.62 : x
  2. Step 2: Convert to fraction form
    532,376.70/735,011.46 = 338,893.62/x
  3. Step 3: Cross multiply
    532,376.70x = 735,011.46 × 338,893.62
  4. Step 4: Simplify right side
    532,376.70x = 249,090,694,420.89
  5. Step 5: Solve for x
    x = 249,090,694,420.89/532,376.70
  6. Step 6: Final answer
    x = 467,884.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.