Home / 472,671.20-652,294.04-257,811.28

Finding the Fourth Proportional to 472,671.20, 652,294.04 and 257,811.28

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Solution

The fourth proportional to 472,671.20, 652,294.04 and 257,811.28 is: 355,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,671.20 : 652,294.04 = 257,811.28 : x
  2. Step 2: Convert to fraction form
    472,671.20/652,294.04 = 257,811.28/x
  3. Step 3: Cross multiply
    472,671.20x = 652,294.04 × 257,811.28
  4. Step 4: Simplify right side
    472,671.20x = 168,168,761,028.65
  5. Step 5: Solve for x
    x = 168,168,761,028.65/472,671.20
  6. Step 6: Final answer
    x = 355,783.81

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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.