Home / 781,541.44-1,172,299.36-249,055.36

Finding the Fourth Proportional to 781,541.44, 1,172,299.36 and 249,055.36

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Solution

The fourth proportional to 781,541.44, 1,172,299.36 and 249,055.36 is: 373,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,541.44 : 1,172,299.36 = 249,055.36 : x
  2. Step 2: Convert to fraction form
    781,541.44/1,172,299.36 = 249,055.36/x
  3. Step 3: Cross multiply
    781,541.44x = 1,172,299.36 × 249,055.36
  4. Step 4: Simplify right side
    781,541.44x = 291,967,439,132.57
  5. Step 5: Solve for x
    x = 291,967,439,132.57/781,541.44
  6. Step 6: Final answer
    x = 373,578.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.