Home / 472,484.16-652,013.82-257,628.42

Finding the Fourth Proportional to 472,484.16, 652,013.82 and 257,628.42

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Solution

The fourth proportional to 472,484.16, 652,013.82 and 257,628.42 is: 355,519.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,484.16 : 652,013.82 = 257,628.42 : x
  2. Step 2: Convert to fraction form
    472,484.16/652,013.82 = 257,628.42/x
  3. Step 3: Cross multiply
    472,484.16x = 652,013.82 × 257,628.42
  4. Step 4: Simplify right side
    472,484.16x = 167,977,290,264.76
  5. Step 5: Solve for x
    x = 167,977,290,264.76/472,484.16
  6. Step 6: Final answer
    x = 355,519.41

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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.