Home / 756,987.60-1,134,516.60-402,171.60

Finding the Fourth Proportional to 756,987.60, 1,134,516.60 and 402,171.60

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Solution

The fourth proportional to 756,987.60, 1,134,516.60 and 402,171.60 is: 602,744.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,987.60 : 1,134,516.60 = 402,171.60 : x
  2. Step 2: Convert to fraction form
    756,987.60/1,134,516.60 = 402,171.60/x
  3. Step 3: Cross multiply
    756,987.60x = 1,134,516.60 × 402,171.60
  4. Step 4: Simplify right side
    756,987.60x = 456,270,356,248.56
  5. Step 5: Solve for x
    x = 456,270,356,248.56/756,987.60
  6. Step 6: Final answer
    x = 602,744.82

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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.