Home / 460,394.28-635,376-279,113.76

Finding the Fourth Proportional to 460,394.28, 635,376 and 279,113.76

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Solution

The fourth proportional to 460,394.28, 635,376 and 279,113.76 is: 385,196.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,394.28 : 635,376 = 279,113.76 : x
  2. Step 2: Convert to fraction form
    460,394.28/635,376 = 279,113.76/x
  3. Step 3: Cross multiply
    460,394.28x = 635,376 × 279,113.76
  4. Step 4: Simplify right side
    460,394.28x = 177,342,184,373.76
  5. Step 5: Solve for x
    x = 177,342,184,373.76/460,394.28
  6. Step 6: Final answer
    x = 385,196.32

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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.