Home / 657,740.02-907,682.03-355,934.02

Finding the Fourth Proportional to 657,740.02, 907,682.03 and 355,934.02

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Solution

The fourth proportional to 657,740.02, 907,682.03 and 355,934.02 is: 491,189.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,740.02 : 907,682.03 = 355,934.02 : x
  2. Step 2: Convert to fraction form
    657,740.02/907,682.03 = 355,934.02/x
  3. Step 3: Cross multiply
    657,740.02x = 907,682.03 × 355,934.02
  4. Step 4: Simplify right side
    657,740.02x = 323,074,913,819.66
  5. Step 5: Solve for x
    x = 323,074,913,819.66/657,740.02
  6. Step 6: Final answer
    x = 491,189.38

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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.