Home / 906,343.64-1,250,729.22-498,445.46

Finding the Fourth Proportional to 906,343.64, 1,250,729.22 and 498,445.46

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Solution

The fourth proportional to 906,343.64, 1,250,729.22 and 498,445.46 is: 687,840.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,343.64 : 1,250,729.22 = 498,445.46 : x
  2. Step 2: Convert to fraction form
    906,343.64/1,250,729.22 = 498,445.46/x
  3. Step 3: Cross multiply
    906,343.64x = 1,250,729.22 × 498,445.46
  4. Step 4: Simplify right side
    906,343.64x = 623,420,301,398.34
  5. Step 5: Solve for x
    x = 623,420,301,398.34/906,343.64
  6. Step 6: Final answer
    x = 687,840.98

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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.