Home / 815,598.72-1,125,511.20-453,008.16

Finding the Fourth Proportional to 815,598.72, 1,125,511.20 and 453,008.16

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Solution

The fourth proportional to 815,598.72, 1,125,511.20 and 453,008.16 is: 625,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,598.72 : 1,125,511.20 = 453,008.16 : x
  2. Step 2: Convert to fraction form
    815,598.72/1,125,511.20 = 453,008.16/x
  3. Step 3: Cross multiply
    815,598.72x = 1,125,511.20 × 453,008.16
  4. Step 4: Simplify right side
    815,598.72x = 509,865,757,771.39
  5. Step 5: Solve for x
    x = 509,865,757,771.39/815,598.72
  6. Step 6: Final answer
    x = 625,142.91

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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.