Home / 698,144.54-1,047,227.35-265,885.93

Finding the Fourth Proportional to 698,144.54, 1,047,227.35 and 265,885.93

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Solution

The fourth proportional to 698,144.54, 1,047,227.35 and 265,885.93 is: 398,832.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,144.54 : 1,047,227.35 = 265,885.93 : x
  2. Step 2: Convert to fraction form
    698,144.54/1,047,227.35 = 265,885.93/x
  3. Step 3: Cross multiply
    698,144.54x = 1,047,227.35 × 265,885.93
  4. Step 4: Simplify right side
    698,144.54x = 278,443,017,876.19
  5. Step 5: Solve for x
    x = 278,443,017,876.19/698,144.54
  6. Step 6: Final answer
    x = 398,832.91

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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.