Home / 771,073.02-1,063,954.24-484,390.13

Finding the Fourth Proportional to 771,073.02, 1,063,954.24 and 484,390.13

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Solution

The fourth proportional to 771,073.02, 1,063,954.24 and 484,390.13 is: 668,378.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,073.02 : 1,063,954.24 = 484,390.13 : x
  2. Step 2: Convert to fraction form
    771,073.02/1,063,954.24 = 484,390.13/x
  3. Step 3: Cross multiply
    771,073.02x = 1,063,954.24 × 484,390.13
  4. Step 4: Simplify right side
    771,073.02x = 515,368,926,096.91
  5. Step 5: Solve for x
    x = 515,368,926,096.91/771,073.02
  6. Step 6: Final answer
    x = 668,378.89

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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.