Home / 817,937.60-1,128,726.24-460,172.48

Finding the Fourth Proportional to 817,937.60, 1,128,726.24 and 460,172.48

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Solution

The fourth proportional to 817,937.60, 1,128,726.24 and 460,172.48 is: 635,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,937.60 : 1,128,726.24 = 460,172.48 : x
  2. Step 2: Convert to fraction form
    817,937.60/1,128,726.24 = 460,172.48/x
  3. Step 3: Cross multiply
    817,937.60x = 1,128,726.24 × 460,172.48
  4. Step 4: Simplify right side
    817,937.60x = 519,408,753,101.88
  5. Step 5: Solve for x
    x = 519,408,753,101.88/817,937.60
  6. Step 6: Final answer
    x = 635,022.47

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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.