Home / 814,799.13-1,124,422.80-457,103.13

Finding the Fourth Proportional to 814,799.13, 1,124,422.80 and 457,103.13

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Solution

The fourth proportional to 814,799.13, 1,124,422.80 and 457,103.13 is: 630,802.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,799.13 : 1,124,422.80 = 457,103.13 : x
  2. Step 2: Convert to fraction form
    814,799.13/1,124,422.80 = 457,103.13/x
  3. Step 3: Cross multiply
    814,799.13x = 1,124,422.80 × 457,103.13
  4. Step 4: Simplify right side
    814,799.13x = 513,977,181,323.36
  5. Step 5: Solve for x
    x = 513,977,181,323.36/814,799.13
  6. Step 6: Final answer
    x = 630,802.32

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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.