Home / 778,845.01-1,074,860.10-434,747.90

Finding the Fourth Proportional to 778,845.01, 1,074,860.10 and 434,747.90

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Solution

The fourth proportional to 778,845.01, 1,074,860.10 and 434,747.90 is: 599,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,845.01 : 1,074,860.10 = 434,747.90 : x
  2. Step 2: Convert to fraction form
    778,845.01/1,074,860.10 = 434,747.90/x
  3. Step 3: Cross multiply
    778,845.01x = 1,074,860.10 × 434,747.90
  4. Step 4: Simplify right side
    778,845.01x = 467,293,171,268.79
  5. Step 5: Solve for x
    x = 467,293,171,268.79/778,845.01
  6. Step 6: Final answer
    x = 599,982.24

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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.