Home / 542,047.45-748,000.27-297,030.75

Finding the Fourth Proportional to 542,047.45, 748,000.27 and 297,030.75

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Solution

The fourth proportional to 542,047.45, 748,000.27 and 297,030.75 is: 409,888.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,047.45 : 748,000.27 = 297,030.75 : x
  2. Step 2: Convert to fraction form
    542,047.45/748,000.27 = 297,030.75/x
  3. Step 3: Cross multiply
    542,047.45x = 748,000.27 × 297,030.75
  4. Step 4: Simplify right side
    542,047.45x = 222,179,081,198.30
  5. Step 5: Solve for x
    x = 222,179,081,198.30/542,047.45
  6. Step 6: Final answer
    x = 409,888.62

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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.