Home / 699,929.40-1,049,894.10-432,823.80

Finding the Fourth Proportional to 699,929.40, 1,049,894.10 and 432,823.80

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Solution

The fourth proportional to 699,929.40, 1,049,894.10 and 432,823.80 is: 649,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,929.40 : 1,049,894.10 = 432,823.80 : x
  2. Step 2: Convert to fraction form
    699,929.40/1,049,894.10 = 432,823.80/x
  3. Step 3: Cross multiply
    699,929.40x = 1,049,894.10 × 432,823.80
  4. Step 4: Simplify right side
    699,929.40x = 454,419,153,959.58
  5. Step 5: Solve for x
    x = 454,419,153,959.58/699,929.40
  6. Step 6: Final answer
    x = 649,235.70

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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.