Home / 781,843.31-1,172,852.47-249,240.77

Finding the Fourth Proportional to 781,843.31, 1,172,852.47 and 249,240.77

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Solution

The fourth proportional to 781,843.31, 1,172,852.47 and 249,240.77 is: 373,889.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,843.31 : 1,172,852.47 = 249,240.77 : x
  2. Step 2: Convert to fraction form
    781,843.31/1,172,852.47 = 249,240.77/x
  3. Step 3: Cross multiply
    781,843.31x = 1,172,852.47 × 249,240.77
  4. Step 4: Simplify right side
    781,843.31x = 292,322,652,719.20
  5. Step 5: Solve for x
    x = 292,322,652,719.20/781,843.31
  6. Step 6: Final answer
    x = 373,889.05

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1.5x scale

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.