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Finding the Fourth Proportional to 637,454.34, 955,876.53 and 371,290.76

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Solution

The fourth proportional to 637,454.34, 955,876.53 and 371,290.76 is: 556,758.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,454.34 : 955,876.53 = 371,290.76 : x
  2. Step 2: Convert to fraction form
    637,454.34/955,876.53 = 371,290.76/x
  3. Step 3: Cross multiply
    637,454.34x = 955,876.53 × 371,290.76
  4. Step 4: Simplify right side
    637,454.34x = 354,908,123,289.86
  5. Step 5: Solve for x
    x = 354,908,123,289.86/637,454.34
  6. Step 6: Final answer
    x = 556,758.50

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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.