Home / 834,000.40-1,251,000.60-497,421.10

Finding the Fourth Proportional to 834,000.40, 1,251,000.60 and 497,421.10

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Solution

The fourth proportional to 834,000.40, 1,251,000.60 and 497,421.10 is: 746,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,000.40 : 1,251,000.60 = 497,421.10 : x
  2. Step 2: Convert to fraction form
    834,000.40/1,251,000.60 = 497,421.10/x
  3. Step 3: Cross multiply
    834,000.40x = 1,251,000.60 × 497,421.10
  4. Step 4: Simplify right side
    834,000.40x = 622,274,094,552.66
  5. Step 5: Solve for x
    x = 622,274,094,552.66/834,000.40
  6. Step 6: Final answer
    x = 746,131.65

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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.