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Finding the Fourth Proportional to 910,894.80, 1,366,342.20 and 898,453.20

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Solution

The fourth proportional to 910,894.80, 1,366,342.20 and 898,453.20 is: 1,347,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,894.80 : 1,366,342.20 = 898,453.20 : x
  2. Step 2: Convert to fraction form
    910,894.80/1,366,342.20 = 898,453.20/x
  3. Step 3: Cross multiply
    910,894.80x = 1,366,342.20 × 898,453.20
  4. Step 4: Simplify right side
    910,894.80x = 1,227,594,521,885.04
  5. Step 5: Solve for x
    x = 1,227,594,521,885.04/910,894.80
  6. Step 6: Final answer
    x = 1,347,679.80

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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.