Home / 983,825.90-1,357,529.92-554,078.78

Finding the Fourth Proportional to 983,825.90, 1,357,529.92 and 554,078.78

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Solution

The fourth proportional to 983,825.90, 1,357,529.92 and 554,078.78 is: 764,544.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,825.90 : 1,357,529.92 = 554,078.78 : x
  2. Step 2: Convert to fraction form
    983,825.90/1,357,529.92 = 554,078.78/x
  3. Step 3: Cross multiply
    983,825.90x = 1,357,529.92 × 554,078.78
  4. Step 4: Simplify right side
    983,825.90x = 752,178,513,714.25
  5. Step 5: Solve for x
    x = 752,178,513,714.25/983,825.90
  6. Step 6: Final answer
    x = 764,544.33

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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.