Home / 702,220.20-1,053,330.30-432,563.10

Finding the Fourth Proportional to 702,220.20, 1,053,330.30 and 432,563.10

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Solution

The fourth proportional to 702,220.20, 1,053,330.30 and 432,563.10 is: 648,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,220.20 : 1,053,330.30 = 432,563.10 : x
  2. Step 2: Convert to fraction form
    702,220.20/1,053,330.30 = 432,563.10/x
  3. Step 3: Cross multiply
    702,220.20x = 1,053,330.30 × 432,563.10
  4. Step 4: Simplify right side
    702,220.20x = 455,631,819,891.93
  5. Step 5: Solve for x
    x = 455,631,819,891.93/702,220.20
  6. Step 6: Final answer
    x = 648,844.65

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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.