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Finding the Fourth Proportional to 637,474.20, 957,636.90 and 532,498.20

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Solution

The fourth proportional to 637,474.20, 957,636.90 and 532,498.20 is: 799,938.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,474.20 : 957,636.90 = 532,498.20 : x
  2. Step 2: Convert to fraction form
    637,474.20/957,636.90 = 532,498.20/x
  3. Step 3: Cross multiply
    637,474.20x = 957,636.90 × 532,498.20
  4. Step 4: Simplify right side
    637,474.20x = 509,939,925,503.58
  5. Step 5: Solve for x
    x = 509,939,925,503.58/637,474.20
  6. Step 6: Final answer
    x = 799,938.14

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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.