Home / 762,892.74-1,143,541.44-257,279.04

Finding the Fourth Proportional to 762,892.74, 1,143,541.44 and 257,279.04

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Solution

The fourth proportional to 762,892.74, 1,143,541.44 and 257,279.04 is: 385,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,892.74 : 1,143,541.44 = 257,279.04 : x
  2. Step 2: Convert to fraction form
    762,892.74/1,143,541.44 = 257,279.04/x
  3. Step 3: Cross multiply
    762,892.74x = 1,143,541.44 × 257,279.04
  4. Step 4: Simplify right side
    762,892.74x = 294,209,243,883.42
  5. Step 5: Solve for x
    x = 294,209,243,883.42/762,892.74
  6. Step 6: Final answer
    x = 385,649.55

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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.