Home / 781,509.52-1,172,251.36-249,023.32

Finding the Fourth Proportional to 781,509.52, 1,172,251.36 and 249,023.32

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Solution

The fourth proportional to 781,509.52, 1,172,251.36 and 249,023.32 is: 373,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,509.52 : 1,172,251.36 = 249,023.32 : x
  2. Step 2: Convert to fraction form
    781,509.52/1,172,251.36 = 249,023.32/x
  3. Step 3: Cross multiply
    781,509.52x = 1,172,251.36 × 249,023.32
  4. Step 4: Simplify right side
    781,509.52x = 291,917,925,541.72
  5. Step 5: Solve for x
    x = 291,917,925,541.72/781,509.52
  6. Step 6: Final answer
    x = 373,530.86

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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.