Home / 810,549.59-1,118,562.18-443,034.32

Finding the Fourth Proportional to 810,549.59, 1,118,562.18 and 443,034.32

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Solution

The fourth proportional to 810,549.59, 1,118,562.18 and 443,034.32 is: 611,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,549.59 : 1,118,562.18 = 443,034.32 : x
  2. Step 2: Convert to fraction form
    810,549.59/1,118,562.18 = 443,034.32/x
  3. Step 3: Cross multiply
    810,549.59x = 1,118,562.18 × 443,034.32
  4. Step 4: Simplify right side
    810,549.59x = 495,561,434,794.02
  5. Step 5: Solve for x
    x = 495,561,434,794.02/810,549.59
  6. Step 6: Final answer
    x = 611,389.41

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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.