Home / 781,722.83-1,172,571.93-249,240.27

Finding the Fourth Proportional to 781,722.83, 1,172,571.93 and 249,240.27

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Solution

The fourth proportional to 781,722.83, 1,172,571.93 and 249,240.27 is: 373,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,722.83 : 1,172,571.93 = 249,240.27 : x
  2. Step 2: Convert to fraction form
    781,722.83/1,172,571.93 = 249,240.27/x
  3. Step 3: Cross multiply
    781,722.83x = 1,172,571.93 × 249,240.27
  4. Step 4: Simplify right side
    781,722.83x = 292,252,148,824.77
  5. Step 5: Solve for x
    x = 292,252,148,824.77/781,722.83
  6. Step 6: Final answer
    x = 373,856.48

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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.