Home / 472,829.67-652,507.11-257,974.20

Finding the Fourth Proportional to 472,829.67, 652,507.11 and 257,974.20

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Solution

The fourth proportional to 472,829.67, 652,507.11 and 257,974.20 is: 356,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,829.67 : 652,507.11 = 257,974.20 : x
  2. Step 2: Convert to fraction form
    472,829.67/652,507.11 = 257,974.20/x
  3. Step 3: Cross multiply
    472,829.67x = 652,507.11 × 257,974.20
  4. Step 4: Simplify right side
    472,829.67x = 168,329,999,696.56
  5. Step 5: Solve for x
    x = 168,329,999,696.56/472,829.67
  6. Step 6: Final answer
    x = 356,005.58

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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.