Home / 875,238.57-1,312,542.24-369,838.72

Finding the Fourth Proportional to 875,238.57, 1,312,542.24 and 369,838.72

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Solution

The fourth proportional to 875,238.57, 1,312,542.24 and 369,838.72 is: 554,624.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,238.57 : 1,312,542.24 = 369,838.72 : x
  2. Step 2: Convert to fraction form
    875,238.57/1,312,542.24 = 369,838.72/x
  3. Step 3: Cross multiply
    875,238.57x = 1,312,542.24 × 369,838.72
  4. Step 4: Simplify right side
    875,238.57x = 485,428,941,987.53
  5. Step 5: Solve for x
    x = 485,428,941,987.53/875,238.57
  6. Step 6: Final answer
    x = 554,624.71

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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.