Home / 989,844.29-1,485,328.07-534,429.42

Finding the Fourth Proportional to 989,844.29, 1,485,328.07 and 534,429.42

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Solution

The fourth proportional to 989,844.29, 1,485,328.07 and 534,429.42 is: 801,947.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,844.29 : 1,485,328.07 = 534,429.42 : x
  2. Step 2: Convert to fraction form
    989,844.29/1,485,328.07 = 534,429.42/x
  3. Step 3: Cross multiply
    989,844.29x = 1,485,328.07 × 534,429.42
  4. Step 4: Simplify right side
    989,844.29x = 793,803,016,287.67
  5. Step 5: Solve for x
    x = 793,803,016,287.67/989,844.29
  6. Step 6: Final answer
    x = 801,947.36

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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.