Home / 628,254.20-942,381.30-460,948.70

Finding the Fourth Proportional to 628,254.20, 942,381.30 and 460,948.70

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Solution

The fourth proportional to 628,254.20, 942,381.30 and 460,948.70 is: 691,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,254.20 : 942,381.30 = 460,948.70 : x
  2. Step 2: Convert to fraction form
    628,254.20/942,381.30 = 460,948.70/x
  3. Step 3: Cross multiply
    628,254.20x = 942,381.30 × 460,948.70
  4. Step 4: Simplify right side
    628,254.20x = 434,389,435,139.31
  5. Step 5: Solve for x
    x = 434,389,435,139.31/628,254.20
  6. Step 6: Final answer
    x = 691,423.05

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Double scale
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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.