Home / 756,792.46-1,044,380.64-417,272.78

Finding the Fourth Proportional to 756,792.46, 1,044,380.64 and 417,272.78

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Solution

The fourth proportional to 756,792.46, 1,044,380.64 and 417,272.78 is: 575,840.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,792.46 : 1,044,380.64 = 417,272.78 : x
  2. Step 2: Convert to fraction form
    756,792.46/1,044,380.64 = 417,272.78/x
  3. Step 3: Cross multiply
    756,792.46x = 1,044,380.64 × 417,272.78
  4. Step 4: Simplify right side
    756,792.46x = 435,791,613,030.98
  5. Step 5: Solve for x
    x = 435,791,613,030.98/756,792.46
  6. Step 6: Final answer
    x = 575,840.32

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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.