Home / 448,654.02-672,117.30-353,380.20

Finding the Fourth Proportional to 448,654.02, 672,117.30 and 353,380.20

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Solution

The fourth proportional to 448,654.02, 672,117.30 and 353,380.20 is: 529,389.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,654.02 : 672,117.30 = 353,380.20 : x
  2. Step 2: Convert to fraction form
    448,654.02/672,117.30 = 353,380.20/x
  3. Step 3: Cross multiply
    448,654.02x = 672,117.30 × 353,380.20
  4. Step 4: Simplify right side
    448,654.02x = 237,512,945,897.46
  5. Step 5: Solve for x
    x = 237,512,945,897.46/448,654.02
  6. Step 6: Final answer
    x = 529,389.99

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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.