Home / 637,475.20-957,638.40-532,499.20

Finding the Fourth Proportional to 637,475.20, 957,638.40 and 532,499.20

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Solution

The fourth proportional to 637,475.20, 957,638.40 and 532,499.20 is: 799,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,475.20 : 957,638.40 = 532,499.20 : x
  2. Step 2: Convert to fraction form
    637,475.20/957,638.40 = 532,499.20/x
  3. Step 3: Cross multiply
    637,475.20x = 957,638.40 × 532,499.20
  4. Step 4: Simplify right side
    637,475.20x = 509,941,681,889.28
  5. Step 5: Solve for x
    x = 509,941,681,889.28/637,475.20
  6. Step 6: Final answer
    x = 799,939.64

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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.