Home / 886,656.30-1,329,109.65-437,009.10

Finding the Fourth Proportional to 886,656.30, 1,329,109.65 and 437,009.10

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Solution

The fourth proportional to 886,656.30, 1,329,109.65 and 437,009.10 is: 655,082.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,656.30 : 1,329,109.65 = 437,009.10 : x
  2. Step 2: Convert to fraction form
    886,656.30/1,329,109.65 = 437,009.10/x
  3. Step 3: Cross multiply
    886,656.30x = 1,329,109.65 × 437,009.10
  4. Step 4: Simplify right side
    886,656.30x = 580,833,011,947.82
  5. Step 5: Solve for x
    x = 580,833,011,947.82/886,656.30
  6. Step 6: Final answer
    x = 655,082.48

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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.