Home / 912,600.29-1,367,935.12-343,735.25

Finding the Fourth Proportional to 912,600.29, 1,367,935.12 and 343,735.25

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Solution

The fourth proportional to 912,600.29, 1,367,935.12 and 343,735.25 is: 515,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,600.29 : 1,367,935.12 = 343,735.25 : x
  2. Step 2: Convert to fraction form
    912,600.29/1,367,935.12 = 343,735.25/x
  3. Step 3: Cross multiply
    912,600.29x = 1,367,935.12 × 343,735.25
  4. Step 4: Simplify right side
    912,600.29x = 470,207,520,456.98
  5. Step 5: Solve for x
    x = 470,207,520,456.98/912,600.29
  6. Step 6: Final answer
    x = 515,239.28

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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.