Home / 869,622.30-1,304,433.45-308,583.90

Finding the Fourth Proportional to 869,622.30, 1,304,433.45 and 308,583.90

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Solution

The fourth proportional to 869,622.30, 1,304,433.45 and 308,583.90 is: 462,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,622.30 : 1,304,433.45 = 308,583.90 : x
  2. Step 2: Convert to fraction form
    869,622.30/1,304,433.45 = 308,583.90/x
  3. Step 3: Cross multiply
    869,622.30x = 1,304,433.45 × 308,583.90
  4. Step 4: Simplify right side
    869,622.30x = 402,527,161,291.46
  5. Step 5: Solve for x
    x = 402,527,161,291.46/869,622.30
  6. Step 6: Final answer
    x = 462,875.85

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Double scale
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Similar ratio
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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.