Home / 847,145.04-1,270,874.64-278,557.92

Finding the Fourth Proportional to 847,145.04, 1,270,874.64 and 278,557.92

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Solution

The fourth proportional to 847,145.04, 1,270,874.64 and 278,557.92 is: 417,888.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,145.04 : 1,270,874.64 = 278,557.92 : x
  2. Step 2: Convert to fraction form
    847,145.04/1,270,874.64 = 278,557.92/x
  3. Step 3: Cross multiply
    847,145.04x = 1,270,874.64 × 278,557.92
  4. Step 4: Simplify right side
    847,145.04x = 354,012,196,299.15
  5. Step 5: Solve for x
    x = 354,012,196,299.15/847,145.04
  6. Step 6: Final answer
    x = 417,888.53

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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.