Home / 847,281.89-1,270,652.87-278,531.35

Finding the Fourth Proportional to 847,281.89, 1,270,652.87 and 278,531.35

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Solution

The fourth proportional to 847,281.89, 1,270,652.87 and 278,531.35 is: 417,708.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,281.89 : 1,270,652.87 = 278,531.35 : x
  2. Step 2: Convert to fraction form
    847,281.89/1,270,652.87 = 278,531.35/x
  3. Step 3: Cross multiply
    847,281.89x = 1,270,652.87 × 278,531.35
  4. Step 4: Simplify right side
    847,281.89x = 353,916,656,782.17
  5. Step 5: Solve for x
    x = 353,916,656,782.17/847,281.89
  6. Step 6: Final answer
    x = 417,708.27

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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.