Home / 417,720.02-576,438.18-226,729.30

Finding the Fourth Proportional to 417,720.02, 576,438.18 and 226,729.30

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Solution

The fourth proportional to 417,720.02, 576,438.18 and 226,729.30 is: 312,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,720.02 : 576,438.18 = 226,729.30 : x
  2. Step 2: Convert to fraction form
    417,720.02/576,438.18 = 226,729.30/x
  3. Step 3: Cross multiply
    417,720.02x = 576,438.18 × 226,729.30
  4. Step 4: Simplify right side
    417,720.02x = 130,695,425,044.67
  5. Step 5: Solve for x
    x = 130,695,425,044.67/417,720.02
  6. Step 6: Final answer
    x = 312,878.05

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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.