Home / 847,100.63-1,270,277.94-397,949.15

Finding the Fourth Proportional to 847,100.63, 1,270,277.94 and 397,949.15

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Solution

The fourth proportional to 847,100.63, 1,270,277.94 and 397,949.15 is: 596,748.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,100.63 : 1,270,277.94 = 397,949.15 : x
  2. Step 2: Convert to fraction form
    847,100.63/1,270,277.94 = 397,949.15/x
  3. Step 3: Cross multiply
    847,100.63x = 1,270,277.94 × 397,949.15
  4. Step 4: Simplify right side
    847,100.63x = 505,506,026,486.75
  5. Step 5: Solve for x
    x = 505,506,026,486.75/847,100.63
  6. Step 6: Final answer
    x = 596,748.50

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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.