Home / 546,719.62-754,473.40-305,002.20

Finding the Fourth Proportional to 546,719.62, 754,473.40 and 305,002.20

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Solution

The fourth proportional to 546,719.62, 754,473.40 and 305,002.20 is: 420,903.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,719.62 : 754,473.40 = 305,002.20 : x
  2. Step 2: Convert to fraction form
    546,719.62/754,473.40 = 305,002.20/x
  3. Step 3: Cross multiply
    546,719.62x = 754,473.40 × 305,002.20
  4. Step 4: Simplify right side
    546,719.62x = 230,116,046,841.48
  5. Step 5: Solve for x
    x = 230,116,046,841.48/546,719.62
  6. Step 6: Final answer
    x = 420,903.22

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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.