Home / 765,618.77-1,148,340.65-204,697.01

Finding the Fourth Proportional to 765,618.77, 1,148,340.65 and 204,697.01

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Solution

The fourth proportional to 765,618.77, 1,148,340.65 and 204,697.01 is: 307,022.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,618.77 : 1,148,340.65 = 204,697.01 : x
  2. Step 2: Convert to fraction form
    765,618.77/1,148,340.65 = 204,697.01/x
  3. Step 3: Cross multiply
    765,618.77x = 1,148,340.65 × 204,697.01
  4. Step 4: Simplify right side
    765,618.77x = 235,061,890,751.27
  5. Step 5: Solve for x
    x = 235,061,890,751.27/765,618.77
  6. Step 6: Final answer
    x = 307,022.11

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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.