Home / 558,350.18-770,591.65-328,895.61

Finding the Fourth Proportional to 558,350.18, 770,591.65 and 328,895.61

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Solution

The fourth proportional to 558,350.18, 770,591.65 and 328,895.61 is: 453,916.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,350.18 : 770,591.65 = 328,895.61 : x
  2. Step 2: Convert to fraction form
    558,350.18/770,591.65 = 328,895.61/x
  3. Step 3: Cross multiply
    558,350.18x = 770,591.65 × 328,895.61
  4. Step 4: Simplify right side
    558,350.18x = 253,444,208,617.40
  5. Step 5: Solve for x
    x = 253,444,208,617.40/558,350.18
  6. Step 6: Final answer
    x = 453,916.23

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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.