Home / 781,664.48-1,172,581.68-249,060.32

Finding the Fourth Proportional to 781,664.48, 1,172,581.68 and 249,060.32

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Solution

The fourth proportional to 781,664.48, 1,172,581.68 and 249,060.32 is: 373,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,664.48 : 1,172,581.68 = 249,060.32 : x
  2. Step 2: Convert to fraction form
    781,664.48/1,172,581.68 = 249,060.32/x
  3. Step 3: Cross multiply
    781,664.48x = 1,172,581.68 × 249,060.32
  4. Step 4: Simplify right side
    781,664.48x = 292,043,568,446.94
  5. Step 5: Solve for x
    x = 292,043,568,446.94/781,664.48
  6. Step 6: Final answer
    x = 373,617.55

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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.