Home / 869,497.80-1,304,246.70-363,971.40

Finding the Fourth Proportional to 869,497.80, 1,304,246.70 and 363,971.40

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Solution

The fourth proportional to 869,497.80, 1,304,246.70 and 363,971.40 is: 545,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,497.80 : 1,304,246.70 = 363,971.40 : x
  2. Step 2: Convert to fraction form
    869,497.80/1,304,246.70 = 363,971.40/x
  3. Step 3: Cross multiply
    869,497.80x = 1,304,246.70 × 363,971.40
  4. Step 4: Simplify right side
    869,497.80x = 474,708,497,344.38
  5. Step 5: Solve for x
    x = 474,708,497,344.38/869,497.80
  6. Step 6: Final answer
    x = 545,957.10

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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.