Home / 862,079.52-1,189,706.65-480,106.31

Finding the Fourth Proportional to 862,079.52, 1,189,706.65 and 480,106.31

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Solution

The fourth proportional to 862,079.52, 1,189,706.65 and 480,106.31 is: 662,567.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,079.52 : 1,189,706.65 = 480,106.31 : x
  2. Step 2: Convert to fraction form
    862,079.52/1,189,706.65 = 480,106.31/x
  3. Step 3: Cross multiply
    862,079.52x = 1,189,706.65 × 480,106.31
  4. Step 4: Simplify right side
    862,079.52x = 571,185,665,265.76
  5. Step 5: Solve for x
    x = 571,185,665,265.76/862,079.52
  6. Step 6: Final answer
    x = 662,567.26

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1.5x scale

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.