Home / 983,579.76-1,357,326.72-553,865.04

Finding the Fourth Proportional to 983,579.76, 1,357,326.72 and 553,865.04

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Solution

The fourth proportional to 983,579.76, 1,357,326.72 and 553,865.04 is: 764,326.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,579.76 : 1,357,326.72 = 553,865.04 : x
  2. Step 2: Convert to fraction form
    983,579.76/1,357,326.72 = 553,865.04/x
  3. Step 3: Cross multiply
    983,579.76x = 1,357,326.72 × 553,865.04
  4. Step 4: Simplify right side
    983,579.76x = 751,775,818,065.87
  5. Step 5: Solve for x
    x = 751,775,818,065.87/983,579.76
  6. Step 6: Final answer
    x = 764,326.24

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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.