Home / 912,599.48-1,367,933.90-343,734.45

Finding the Fourth Proportional to 912,599.48, 1,367,933.90 and 343,734.45

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Solution

The fourth proportional to 912,599.48, 1,367,933.90 and 343,734.45 is: 515,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,599.48 : 1,367,933.90 = 343,734.45 : x
  2. Step 2: Convert to fraction form
    912,599.48/1,367,933.90 = 343,734.45/x
  3. Step 3: Cross multiply
    912,599.48x = 1,367,933.90 × 343,734.45
  4. Step 4: Simplify right side
    912,599.48x = 470,206,006,752.86
  5. Step 5: Solve for x
    x = 470,206,006,752.86/912,599.48
  6. Step 6: Final answer
    x = 515,238.08

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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.