Home / 906,291.60-1,250,714.48-498,424.48

Finding the Fourth Proportional to 906,291.60, 1,250,714.48 and 498,424.48

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Solution

The fourth proportional to 906,291.60, 1,250,714.48 and 498,424.48 is: 687,843.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,291.60 : 1,250,714.48 = 498,424.48 : x
  2. Step 2: Convert to fraction form
    906,291.60/1,250,714.48 = 498,424.48/x
  3. Step 3: Cross multiply
    906,291.60x = 1,250,714.48 × 498,424.48
  4. Step 4: Simplify right side
    906,291.60x = 623,386,714,322.47
  5. Step 5: Solve for x
    x = 623,386,714,322.47/906,291.60
  6. Step 6: Final answer
    x = 687,843.42

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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.