Home / 879,236.44-1,213,346.28-497,255.02

Finding the Fourth Proportional to 879,236.44, 1,213,346.28 and 497,255.02

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Solution

The fourth proportional to 879,236.44, 1,213,346.28 and 497,255.02 is: 686,211.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,236.44 : 1,213,346.28 = 497,255.02 : x
  2. Step 2: Convert to fraction form
    879,236.44/1,213,346.28 = 497,255.02/x
  3. Step 3: Cross multiply
    879,236.44x = 1,213,346.28 × 497,255.02
  4. Step 4: Simplify right side
    879,236.44x = 603,342,527,559.67
  5. Step 5: Solve for x
    x = 603,342,527,559.67/879,236.44
  6. Step 6: Final answer
    x = 686,211.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.