Home / 547,439.04-755,458.74-305,726.04

Finding the Fourth Proportional to 547,439.04, 755,458.74 and 305,726.04

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Solution

The fourth proportional to 547,439.04, 755,458.74 and 305,726.04 is: 421,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,439.04 : 755,458.74 = 305,726.04 : x
  2. Step 2: Convert to fraction form
    547,439.04/755,458.74 = 305,726.04/x
  3. Step 3: Cross multiply
    547,439.04x = 755,458.74 × 305,726.04
  4. Step 4: Simplify right side
    547,439.04x = 230,963,408,963.59
  5. Step 5: Solve for x
    x = 230,963,408,963.59/547,439.04
  6. Step 6: Final answer
    x = 421,897.95

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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.