Home / 698,966.46-1,048,246.56-272,407.32

Finding the Fourth Proportional to 698,966.46, 1,048,246.56 and 272,407.32

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Solution

The fourth proportional to 698,966.46, 1,048,246.56 and 272,407.32 is: 408,531.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,966.46 : 1,048,246.56 = 272,407.32 : x
  2. Step 2: Convert to fraction form
    698,966.46/1,048,246.56 = 272,407.32/x
  3. Step 3: Cross multiply
    698,966.46x = 1,048,246.56 × 272,407.32
  4. Step 4: Simplify right side
    698,966.46x = 285,550,036,108.82
  5. Step 5: Solve for x
    x = 285,550,036,108.82/698,966.46
  6. Step 6: Final answer
    x = 408,531.81

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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.