Home / 528,281.79-792,454.17-204,072.40

Finding the Fourth Proportional to 528,281.79, 792,454.17 and 204,072.40

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Solution

The fourth proportional to 528,281.79, 792,454.17 and 204,072.40 is: 306,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,281.79 : 792,454.17 = 204,072.40 : x
  2. Step 2: Convert to fraction form
    528,281.79/792,454.17 = 204,072.40/x
  3. Step 3: Cross multiply
    528,281.79x = 792,454.17 × 204,072.40
  4. Step 4: Simplify right side
    528,281.79x = 161,718,023,341.55
  5. Step 5: Solve for x
    x = 161,718,023,341.55/528,281.79
  6. Step 6: Final answer
    x = 306,120.76

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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.