Home / 765,846.11-1,148,774.87-286,182.34

Finding the Fourth Proportional to 765,846.11, 1,148,774.87 and 286,182.34

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Solution

The fourth proportional to 765,846.11, 1,148,774.87 and 286,182.34 is: 429,275.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,846.11 : 1,148,774.87 = 286,182.34 : x
  2. Step 2: Convert to fraction form
    765,846.11/1,148,774.87 = 286,182.34/x
  3. Step 3: Cross multiply
    765,846.11x = 1,148,774.87 × 286,182.34
  4. Step 4: Simplify right side
    765,846.11x = 328,759,073,255.01
  5. Step 5: Solve for x
    x = 328,759,073,255.01/765,846.11
  6. Step 6: Final answer
    x = 429,275.63

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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.