Home / 420,473.48-580,164.74-267,456.04

Finding the Fourth Proportional to 420,473.48, 580,164.74 and 267,456.04

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Solution

The fourth proportional to 420,473.48, 580,164.74 and 267,456.04 is: 369,032.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,473.48 : 580,164.74 = 267,456.04 : x
  2. Step 2: Convert to fraction form
    420,473.48/580,164.74 = 267,456.04/x
  3. Step 3: Cross multiply
    420,473.48x = 580,164.74 × 267,456.04
  4. Step 4: Simplify right side
    420,473.48x = 155,168,563,908.03
  5. Step 5: Solve for x
    x = 155,168,563,908.03/420,473.48
  6. Step 6: Final answer
    x = 369,032.94

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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.