Home / 875,733.79-1,313,656.11-370,228.21

Finding the Fourth Proportional to 875,733.79, 1,313,656.11 and 370,228.21

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Solution

The fourth proportional to 875,733.79, 1,313,656.11 and 370,228.21 is: 555,365.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,733.79 : 1,313,656.11 = 370,228.21 : x
  2. Step 2: Convert to fraction form
    875,733.79/1,313,656.11 = 370,228.21/x
  3. Step 3: Cross multiply
    875,733.79x = 1,313,656.11 × 370,228.21
  4. Step 4: Simplify right side
    875,733.79x = 486,352,550,160.86
  5. Step 5: Solve for x
    x = 486,352,550,160.86/875,733.79
  6. Step 6: Final answer
    x = 555,365.75

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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.