Home / 691,258.20-1,037,543.40-425,537.70

Finding the Fourth Proportional to 691,258.20, 1,037,543.40 and 425,537.70

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Solution

The fourth proportional to 691,258.20, 1,037,543.40 and 425,537.70 is: 638,710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,258.20 : 1,037,543.40 = 425,537.70 : x
  2. Step 2: Convert to fraction form
    691,258.20/1,037,543.40 = 425,537.70/x
  3. Step 3: Cross multiply
    691,258.20x = 1,037,543.40 × 425,537.70
  4. Step 4: Simplify right side
    691,258.20x = 441,513,832,086.18
  5. Step 5: Solve for x
    x = 441,513,832,086.18/691,258.20
  6. Step 6: Final answer
    x = 638,710.44

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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.