Home / 948,739.68-1,423,577.10-443,335.53

Finding the Fourth Proportional to 948,739.68, 1,423,577.10 and 443,335.53

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Solution

The fourth proportional to 948,739.68, 1,423,577.10 and 443,335.53 is: 665,221.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,739.68 : 1,423,577.10 = 443,335.53 : x
  2. Step 2: Convert to fraction form
    948,739.68/1,423,577.10 = 443,335.53/x
  3. Step 3: Cross multiply
    948,739.68x = 1,423,577.10 × 443,335.53
  4. Step 4: Simplify right side
    948,739.68x = 631,122,308,124.36
  5. Step 5: Solve for x
    x = 631,122,308,124.36/948,739.68
  6. Step 6: Final answer
    x = 665,221.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.