Home / 876,054.80-1,313,110.20-343,398.80

Finding the Fourth Proportional to 876,054.80, 1,313,110.20 and 343,398.80

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Solution

The fourth proportional to 876,054.80, 1,313,110.20 and 343,398.80 is: 514,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,054.80 : 1,313,110.20 = 343,398.80 : x
  2. Step 2: Convert to fraction form
    876,054.80/1,313,110.20 = 343,398.80/x
  3. Step 3: Cross multiply
    876,054.80x = 1,313,110.20 × 343,398.80
  4. Step 4: Simplify right side
    876,054.80x = 450,920,466,947.76
  5. Step 5: Solve for x
    x = 450,920,466,947.76/876,054.80
  6. Step 6: Final answer
    x = 514,717.19

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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.