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Finding the Fourth Proportional to 499,302.50, 748,310.40 and 435,000.17

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Solution

The fourth proportional to 499,302.50, 748,310.40 and 435,000.17 is: 651,939.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,302.50 : 748,310.40 = 435,000.17 : x
  2. Step 2: Convert to fraction form
    499,302.50/748,310.40 = 435,000.17/x
  3. Step 3: Cross multiply
    499,302.50x = 748,310.40 × 435,000.17
  4. Step 4: Simplify right side
    499,302.50x = 325,515,153,083.54
  5. Step 5: Solve for x
    x = 325,515,153,083.54/499,302.50
  6. Step 6: Final answer
    x = 651,939.77

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1.5x scale

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.