Home / 476,691.18-657,838.56-258,904.10

Finding the Fourth Proportional to 476,691.18, 657,838.56 and 258,904.10

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Solution

The fourth proportional to 476,691.18, 657,838.56 and 258,904.10 is: 357,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,691.18 : 657,838.56 = 258,904.10 : x
  2. Step 2: Convert to fraction form
    476,691.18/657,838.56 = 258,904.10/x
  3. Step 3: Cross multiply
    476,691.18x = 657,838.56 × 258,904.10
  4. Step 4: Simplify right side
    476,691.18x = 170,317,100,322.10
  5. Step 5: Solve for x
    x = 170,317,100,322.10/476,691.18
  6. Step 6: Final answer
    x = 357,290.23

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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.