Home / 781,713.48-1,078,673.96-437,568.68

Finding the Fourth Proportional to 781,713.48, 1,078,673.96 and 437,568.68

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Solution

The fourth proportional to 781,713.48, 1,078,673.96 and 437,568.68 is: 603,794.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,713.48 : 1,078,673.96 = 437,568.68 : x
  2. Step 2: Convert to fraction form
    781,713.48/1,078,673.96 = 437,568.68/x
  3. Step 3: Cross multiply
    781,713.48x = 1,078,673.96 × 437,568.68
  4. Step 4: Simplify right side
    781,713.48x = 471,993,944,618.18
  5. Step 5: Solve for x
    x = 471,993,944,618.18/781,713.48
  6. Step 6: Final answer
    x = 603,794.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.