Home / 983,266.29-1,356,932.79-553,561.70

Finding the Fourth Proportional to 983,266.29, 1,356,932.79 and 553,561.70

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Solution

The fourth proportional to 983,266.29, 1,356,932.79 and 553,561.70 is: 763,929.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,266.29 : 1,356,932.79 = 553,561.70 : x
  2. Step 2: Convert to fraction form
    983,266.29/1,356,932.79 = 553,561.70/x
  3. Step 3: Cross multiply
    983,266.29x = 1,356,932.79 × 553,561.70
  4. Step 4: Simplify right side
    983,266.29x = 751,146,015,233.48
  5. Step 5: Solve for x
    x = 751,146,015,233.48/983,266.29
  6. Step 6: Final answer
    x = 763,929.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.