Home / 756,873.60-1,044,468.48-417,342.72

Finding the Fourth Proportional to 756,873.60, 1,044,468.48 and 417,342.72

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Solution

The fourth proportional to 756,873.60, 1,044,468.48 and 417,342.72 is: 575,923.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,873.60 : 1,044,468.48 = 417,342.72 : x
  2. Step 2: Convert to fraction form
    756,873.60/1,044,468.48 = 417,342.72/x
  3. Step 3: Cross multiply
    756,873.60x = 1,044,468.48 × 417,342.72
  4. Step 4: Simplify right side
    756,873.60x = 435,901,316,397.47
  5. Step 5: Solve for x
    x = 435,901,316,397.47/756,873.60
  6. Step 6: Final answer
    x = 575,923.53

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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.