Home / 869,632.40-1,304,448.60-238,545.20

Finding the Fourth Proportional to 869,632.40, 1,304,448.60 and 238,545.20

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Solution

The fourth proportional to 869,632.40, 1,304,448.60 and 238,545.20 is: 357,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,632.40 : 1,304,448.60 = 238,545.20 : x
  2. Step 2: Convert to fraction form
    869,632.40/1,304,448.60 = 238,545.20/x
  3. Step 3: Cross multiply
    869,632.40x = 1,304,448.60 × 238,545.20
  4. Step 4: Simplify right side
    869,632.40x = 311,169,952,176.72
  5. Step 5: Solve for x
    x = 311,169,952,176.72/869,632.40
  6. Step 6: Final answer
    x = 357,817.80

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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.