Home / 815,703.80-1,125,851.16-453,252.20

Finding the Fourth Proportional to 815,703.80, 1,125,851.16 and 453,252.20

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Solution

The fourth proportional to 815,703.80, 1,125,851.16 and 453,252.20 is: 625,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,703.80 : 1,125,851.16 = 453,252.20 : x
  2. Step 2: Convert to fraction form
    815,703.80/1,125,851.16 = 453,252.20/x
  3. Step 3: Cross multiply
    815,703.80x = 1,125,851.16 × 453,252.20
  4. Step 4: Simplify right side
    815,703.80x = 510,294,515,142.55
  5. Step 5: Solve for x
    x = 510,294,515,142.55/815,703.80
  6. Step 6: Final answer
    x = 625,588.01

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Double scale
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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.