Home / 847,200.94-1,270,842.28-278,569.45

Finding the Fourth Proportional to 847,200.94, 1,270,842.28 and 278,569.45

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Solution

The fourth proportional to 847,200.94, 1,270,842.28 and 278,569.45 is: 417,867.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,200.94 : 1,270,842.28 = 278,569.45 : x
  2. Step 2: Convert to fraction form
    847,200.94/1,270,842.28 = 278,569.45/x
  3. Step 3: Cross multiply
    847,200.94x = 1,270,842.28 × 278,569.45
  4. Step 4: Simplify right side
    847,200.94x = 354,017,831,102.82
  5. Step 5: Solve for x
    x = 354,017,831,102.82/847,200.94
  6. Step 6: Final answer
    x = 417,867.61

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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.