Home / 898,411.76-1,347,811.36-258,711.20

Finding the Fourth Proportional to 898,411.76, 1,347,811.36 and 258,711.20

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Solution

The fourth proportional to 898,411.76, 1,347,811.36 and 258,711.20 is: 388,122.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,411.76 : 1,347,811.36 = 258,711.20 : x
  2. Step 2: Convert to fraction form
    898,411.76/1,347,811.36 = 258,711.20/x
  3. Step 3: Cross multiply
    898,411.76x = 1,347,811.36 × 258,711.20
  4. Step 4: Simplify right side
    898,411.76x = 348,693,894,319.23
  5. Step 5: Solve for x
    x = 348,693,894,319.23/898,411.76
  6. Step 6: Final answer
    x = 388,122.58

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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.