Home / 756,542.32-1,044,035.46-417,022.72

Finding the Fourth Proportional to 756,542.32, 1,044,035.46 and 417,022.72

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Solution

The fourth proportional to 756,542.32, 1,044,035.46 and 417,022.72 is: 575,495.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,542.32 : 1,044,035.46 = 417,022.72 : x
  2. Step 2: Convert to fraction form
    756,542.32/1,044,035.46 = 417,022.72/x
  3. Step 3: Cross multiply
    756,542.32x = 1,044,035.46 × 417,022.72
  4. Step 4: Simplify right side
    756,542.32x = 435,386,507,305.65
  5. Step 5: Solve for x
    x = 435,386,507,305.65/756,542.32
  6. Step 6: Final answer
    x = 575,495.24

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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.