Home / 847,146.04-1,270,876.14-278,558.92

Finding the Fourth Proportional to 847,146.04, 1,270,876.14 and 278,558.92

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Solution

The fourth proportional to 847,146.04, 1,270,876.14 and 278,558.92 is: 417,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,146.04 : 1,270,876.14 = 278,558.92 : x
  2. Step 2: Convert to fraction form
    847,146.04/1,270,876.14 = 278,558.92/x
  3. Step 3: Cross multiply
    847,146.04x = 1,270,876.14 × 278,558.92
  4. Step 4: Simplify right side
    847,146.04x = 354,013,885,012.17
  5. Step 5: Solve for x
    x = 354,013,885,012.17/847,146.04
  6. Step 6: Final answer
    x = 417,890.03

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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.