Home / 983,289.88-1,356,965.31-553,585.24

Finding the Fourth Proportional to 983,289.88, 1,356,965.31 and 553,585.24

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Solution

The fourth proportional to 983,289.88, 1,356,965.31 and 553,585.24 is: 763,961.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,289.88 : 1,356,965.31 = 553,585.24 : x
  2. Step 2: Convert to fraction form
    983,289.88/1,356,965.31 = 553,585.24/x
  3. Step 3: Cross multiply
    983,289.88x = 1,356,965.31 × 553,585.24
  4. Step 4: Simplify right side
    983,289.88x = 751,195,966,808.02
  5. Step 5: Solve for x
    x = 751,195,966,808.02/983,289.88
  6. Step 6: Final answer
    x = 763,961.86

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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.