Home / 558,256.88-770,377.92-316,561.52

Finding the Fourth Proportional to 558,256.88, 770,377.92 and 316,561.52

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Solution

The fourth proportional to 558,256.88, 770,377.92 and 316,561.52 is: 436,845.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,256.88 : 770,377.92 = 316,561.52 : x
  2. Step 2: Convert to fraction form
    558,256.88/770,377.92 = 316,561.52/x
  3. Step 3: Cross multiply
    558,256.88x = 770,377.92 × 316,561.52
  4. Step 4: Simplify right side
    558,256.88x = 243,872,005,329.64
  5. Step 5: Solve for x
    x = 243,872,005,329.64/558,256.88
  6. Step 6: Final answer
    x = 436,845.50

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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.