Home / 472,947.60-652,442.88-279,225.57

Finding the Fourth Proportional to 472,947.60, 652,442.88 and 279,225.57

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Solution

The fourth proportional to 472,947.60, 652,442.88 and 279,225.57 is: 385,198.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,947.60 : 652,442.88 = 279,225.57 : x
  2. Step 2: Convert to fraction form
    472,947.60/652,442.88 = 279,225.57/x
  3. Step 3: Cross multiply
    472,947.60x = 652,442.88 × 279,225.57
  4. Step 4: Simplify right side
    472,947.60x = 182,178,735,060.44
  5. Step 5: Solve for x
    x = 182,178,735,060.44/472,947.60
  6. Step 6: Final answer
    x = 385,198.56

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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.