Home / 839,826.24-1,158,963.84-538,195.20

Finding the Fourth Proportional to 839,826.24, 1,158,963.84 and 538,195.20

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Solution

The fourth proportional to 839,826.24, 1,158,963.84 and 538,195.20 is: 742,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,826.24 : 1,158,963.84 = 538,195.20 : x
  2. Step 2: Convert to fraction form
    839,826.24/1,158,963.84 = 538,195.20/x
  3. Step 3: Cross multiply
    839,826.24x = 1,158,963.84 × 538,195.20
  4. Step 4: Simplify right side
    839,826.24x = 623,748,775,661.57
  5. Step 5: Solve for x
    x = 623,748,775,661.57/839,826.24
  6. Step 6: Final answer
    x = 742,711.70

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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.