Home / 781,118.68-1,171,628.52-249,021.52

Finding the Fourth Proportional to 781,118.68, 1,171,628.52 and 249,021.52

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Solution

The fourth proportional to 781,118.68, 1,171,628.52 and 249,021.52 is: 373,516.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,118.68 : 1,171,628.52 = 249,021.52 : x
  2. Step 2: Convert to fraction form
    781,118.68/1,171,628.52 = 249,021.52/x
  3. Step 3: Cross multiply
    781,118.68x = 1,171,628.52 × 249,021.52
  4. Step 4: Simplify right side
    781,118.68x = 291,760,714,925.75
  5. Step 5: Solve for x
    x = 291,760,714,925.75/781,118.68
  6. Step 6: Final answer
    x = 373,516.50

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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.