Home / 971,454.80-1,456,836.60-439,230.80

Finding the Fourth Proportional to 971,454.80, 1,456,836.60 and 439,230.80

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Solution

The fourth proportional to 971,454.80, 1,456,836.60 and 439,230.80 is: 658,689.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,454.80 : 1,456,836.60 = 439,230.80 : x
  2. Step 2: Convert to fraction form
    971,454.80/1,456,836.60 = 439,230.80/x
  3. Step 3: Cross multiply
    971,454.80x = 1,456,836.60 × 439,230.80
  4. Step 4: Simplify right side
    971,454.80x = 639,887,505,287.28
  5. Step 5: Solve for x
    x = 639,887,505,287.28/971,454.80
  6. Step 6: Final answer
    x = 658,689.94

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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.