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Finding the Fourth Proportional to 610,870.58, 916,663.08 and 255,854.86

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Solution

The fourth proportional to 610,870.58, 916,663.08 and 255,854.86 is: 383,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,870.58 : 916,663.08 = 255,854.86 : x
  2. Step 2: Convert to fraction form
    610,870.58/916,663.08 = 255,854.86/x
  3. Step 3: Cross multiply
    610,870.58x = 916,663.08 × 255,854.86
  4. Step 4: Simplify right side
    610,870.58x = 234,532,704,000.57
  5. Step 5: Solve for x
    x = 234,532,704,000.57/610,870.58
  6. Step 6: Final answer
    x = 383,931.90

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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.