Home / 545,155.18-817,382.85-357,947.98

Finding the Fourth Proportional to 545,155.18, 817,382.85 and 357,947.98

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Solution

The fourth proportional to 545,155.18, 817,382.85 and 357,947.98 is: 536,692.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,155.18 : 817,382.85 = 357,947.98 : x
  2. Step 2: Convert to fraction form
    545,155.18/817,382.85 = 357,947.98/x
  3. Step 3: Cross multiply
    545,155.18x = 817,382.85 × 357,947.98
  4. Step 4: Simplify right side
    545,155.18x = 292,580,540,044.14
  5. Step 5: Solve for x
    x = 292,580,540,044.14/545,155.18
  6. Step 6: Final answer
    x = 536,692.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.