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Finding the Fourth Proportional to 536,839.44, 740,857.51 and 307,437.72

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Solution

The fourth proportional to 536,839.44, 740,857.51 and 307,437.72 is: 424,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,839.44 : 740,857.51 = 307,437.72 : x
  2. Step 2: Convert to fraction form
    536,839.44/740,857.51 = 307,437.72/x
  3. Step 3: Cross multiply
    536,839.44x = 740,857.51 × 307,437.72
  4. Step 4: Simplify right side
    536,839.44x = 227,767,543,719.28
  5. Step 5: Solve for x
    x = 227,767,543,719.28/536,839.44
  6. Step 6: Final answer
    x = 424,274.98

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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.