Home / 849,149.04-1,273,262.04-421,747.20

Finding the Fourth Proportional to 849,149.04, 1,273,262.04 and 421,747.20

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Solution

The fourth proportional to 849,149.04, 1,273,262.04 and 421,747.20 is: 632,391.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,149.04 : 1,273,262.04 = 421,747.20 : x
  2. Step 2: Convert to fraction form
    849,149.04/1,273,262.04 = 421,747.20/x
  3. Step 3: Cross multiply
    849,149.04x = 1,273,262.04 × 421,747.20
  4. Step 4: Simplify right side
    849,149.04x = 536,994,700,236.29
  5. Step 5: Solve for x
    x = 536,994,700,236.29/849,149.04
  6. Step 6: Final answer
    x = 632,391.58

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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.