Home / 819,542.52-1,130,964.48-475,448.04

Finding the Fourth Proportional to 819,542.52, 1,130,964.48 and 475,448.04

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Solution

The fourth proportional to 819,542.52, 1,130,964.48 and 475,448.04 is: 656,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,542.52 : 1,130,964.48 = 475,448.04 : x
  2. Step 2: Convert to fraction form
    819,542.52/1,130,964.48 = 475,448.04/x
  3. Step 3: Cross multiply
    819,542.52x = 1,130,964.48 × 475,448.04
  4. Step 4: Simplify right side
    819,542.52x = 537,714,845,325.62
  5. Step 5: Solve for x
    x = 537,714,845,325.62/819,542.52
  6. Step 6: Final answer
    x = 656,115.86

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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.