Home / 865,623.80-1,298,454.15-297,002.43

Finding the Fourth Proportional to 865,623.80, 1,298,454.15 and 297,002.43

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Solution

The fourth proportional to 865,623.80, 1,298,454.15 and 297,002.43 is: 445,509.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,623.80 : 1,298,454.15 = 297,002.43 : x
  2. Step 2: Convert to fraction form
    865,623.80/1,298,454.15 = 297,002.43/x
  3. Step 3: Cross multiply
    865,623.80x = 1,298,454.15 × 297,002.43
  4. Step 4: Simplify right side
    865,623.80x = 385,644,037,236.71
  5. Step 5: Solve for x
    x = 385,644,037,236.71/865,623.80
  6. Step 6: Final answer
    x = 445,509.98

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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.