Home / 781,252.86-1,170,941.72-402,351.88

Finding the Fourth Proportional to 781,252.86, 1,170,941.72 and 402,351.88

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Solution

The fourth proportional to 781,252.86, 1,170,941.72 and 402,351.88 is: 603,044.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,252.86 : 1,170,941.72 = 402,351.88 : x
  2. Step 2: Convert to fraction form
    781,252.86/1,170,941.72 = 402,351.88/x
  3. Step 3: Cross multiply
    781,252.86x = 1,170,941.72 × 402,351.88
  4. Step 4: Simplify right side
    781,252.86x = 471,130,602,412.43
  5. Step 5: Solve for x
    x = 471,130,602,412.43/781,252.86
  6. Step 6: Final answer
    x = 603,044.96

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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.