Home / 847,601.63-1,271,262.71-278,990.13

Finding the Fourth Proportional to 847,601.63, 1,271,262.71 and 278,990.13

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Solution

The fourth proportional to 847,601.63, 1,271,262.71 and 278,990.13 is: 418,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,601.63 : 1,271,262.71 = 278,990.13 : x
  2. Step 2: Convert to fraction form
    847,601.63/1,271,262.71 = 278,990.13/x
  3. Step 3: Cross multiply
    847,601.63x = 1,271,262.71 × 278,990.13
  4. Step 4: Simplify right side
    847,601.63x = 354,669,748,727.05
  5. Step 5: Solve for x
    x = 354,669,748,727.05/847,601.63
  6. Step 6: Final answer
    x = 418,439.20

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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.