Home / 438,043.68-604,500.20-247,057.28

Finding the Fourth Proportional to 438,043.68, 604,500.20 and 247,057.28

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Solution

The fourth proportional to 438,043.68, 604,500.20 and 247,057.28 is: 340,939.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,043.68 : 604,500.20 = 247,057.28 : x
  2. Step 2: Convert to fraction form
    438,043.68/604,500.20 = 247,057.28/x
  3. Step 3: Cross multiply
    438,043.68x = 604,500.20 × 247,057.28
  4. Step 4: Simplify right side
    438,043.68x = 149,346,175,171.46
  5. Step 5: Solve for x
    x = 149,346,175,171.46/438,043.68
  6. Step 6: Final answer
    x = 340,939.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.