Home / 750,838.38-1,036,157.15-411,318.70

Finding the Fourth Proportional to 750,838.38, 1,036,157.15 and 411,318.70

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Solution

The fourth proportional to 750,838.38, 1,036,157.15 and 411,318.70 is: 567,619.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,838.38 : 1,036,157.15 = 411,318.70 : x
  2. Step 2: Convert to fraction form
    750,838.38/1,036,157.15 = 411,318.70/x
  3. Step 3: Cross multiply
    750,838.38x = 1,036,157.15 × 411,318.70
  4. Step 4: Simplify right side
    750,838.38x = 426,190,811,933.71
  5. Step 5: Solve for x
    x = 426,190,811,933.71/750,838.38
  6. Step 6: Final answer
    x = 567,619.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.