Home / 847,326.90-1,271,205.48-392,246.22

Finding the Fourth Proportional to 847,326.90, 1,271,205.48 and 392,246.22

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Solution

The fourth proportional to 847,326.90, 1,271,205.48 and 392,246.22 is: 588,468.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,326.90 : 1,271,205.48 = 392,246.22 : x
  2. Step 2: Convert to fraction form
    847,326.90/1,271,205.48 = 392,246.22/x
  3. Step 3: Cross multiply
    847,326.90x = 1,271,205.48 × 392,246.22
  4. Step 4: Simplify right side
    847,326.90x = 498,625,541,254.31
  5. Step 5: Solve for x
    x = 498,625,541,254.31/847,326.90
  6. Step 6: Final answer
    x = 588,468.92

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1.5x scale

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.