Home / 571,943.04-857,356.74-272,343.12

Finding the Fourth Proportional to 571,943.04, 857,356.74 and 272,343.12

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Solution

The fourth proportional to 571,943.04, 857,356.74 and 272,343.12 is: 408,249.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,943.04 : 857,356.74 = 272,343.12 : x
  2. Step 2: Convert to fraction form
    571,943.04/857,356.74 = 272,343.12/x
  3. Step 3: Cross multiply
    571,943.04x = 857,356.74 × 272,343.12
  4. Step 4: Simplify right side
    571,943.04x = 233,495,209,524.63
  5. Step 5: Solve for x
    x = 233,495,209,524.63/571,943.04
  6. Step 6: Final answer
    x = 408,249.06

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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.