Home / 865,624.30-1,298,454.90-297,002.93

Finding the Fourth Proportional to 865,624.30, 1,298,454.90 and 297,002.93

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Solution

The fourth proportional to 865,624.30, 1,298,454.90 and 297,002.93 is: 445,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,624.30 : 1,298,454.90 = 297,002.93 : x
  2. Step 2: Convert to fraction form
    865,624.30/1,298,454.90 = 297,002.93/x
  3. Step 3: Cross multiply
    865,624.30x = 1,298,454.90 × 297,002.93
  4. Step 4: Simplify right side
    865,624.30x = 385,644,909,772.86
  5. Step 5: Solve for x
    x = 385,644,909,772.86/865,624.30
  6. Step 6: Final answer
    x = 445,510.73

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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.