Home / 910,872.80-1,366,309.20-898,431.20

Finding the Fourth Proportional to 910,872.80, 1,366,309.20 and 898,431.20

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Solution

The fourth proportional to 910,872.80, 1,366,309.20 and 898,431.20 is: 1,347,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,872.80 : 1,366,309.20 = 898,431.20 : x
  2. Step 2: Convert to fraction form
    910,872.80/1,366,309.20 = 898,431.20/x
  3. Step 3: Cross multiply
    910,872.80x = 1,366,309.20 × 898,431.20
  4. Step 4: Simplify right side
    910,872.80x = 1,227,534,814,127.04
  5. Step 5: Solve for x
    x = 1,227,534,814,127.04/910,872.80
  6. Step 6: Final answer
    x = 1,347,646.80

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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.