Home / 983,765.40-1,475,648.10-485,064.60

Finding the Fourth Proportional to 983,765.40, 1,475,648.10 and 485,064.60

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Solution

The fourth proportional to 983,765.40, 1,475,648.10 and 485,064.60 is: 727,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,765.40 : 1,475,648.10 = 485,064.60 : x
  2. Step 2: Convert to fraction form
    983,765.40/1,475,648.10 = 485,064.60/x
  3. Step 3: Cross multiply
    983,765.40x = 1,475,648.10 × 485,064.60
  4. Step 4: Simplify right side
    983,765.40x = 715,784,655,367.26
  5. Step 5: Solve for x
    x = 715,784,655,367.26/983,765.40
  6. Step 6: Final answer
    x = 727,596.90

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Similar ratio
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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.