Home / 983,283.10-1,356,956.04-553,578.60

Finding the Fourth Proportional to 983,283.10, 1,356,956.04 and 553,578.60

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Solution

The fourth proportional to 983,283.10, 1,356,956.04 and 553,578.60 is: 763,952.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,283.10 : 1,356,956.04 = 553,578.60 : x
  2. Step 2: Convert to fraction form
    983,283.10/1,356,956.04 = 553,578.60/x
  3. Step 3: Cross multiply
    983,283.10x = 1,356,956.04 × 553,578.60
  4. Step 4: Simplify right side
    983,283.10x = 751,181,832,049.25
  5. Step 5: Solve for x
    x = 751,181,832,049.25/983,283.10
  6. Step 6: Final answer
    x = 763,952.76

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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.