Home / 778,552.08-1,074,438.68-439,013.04

Finding the Fourth Proportional to 778,552.08, 1,074,438.68 and 439,013.04

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Solution

The fourth proportional to 778,552.08, 1,074,438.68 and 439,013.04 is: 605,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,552.08 : 1,074,438.68 = 439,013.04 : x
  2. Step 2: Convert to fraction form
    778,552.08/1,074,438.68 = 439,013.04/x
  3. Step 3: Cross multiply
    778,552.08x = 1,074,438.68 × 439,013.04
  4. Step 4: Simplify right side
    778,552.08x = 471,692,591,200.39
  5. Step 5: Solve for x
    x = 471,692,591,200.39/778,552.08
  6. Step 6: Final answer
    x = 605,858.75

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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.