Home / 830,921.61-1,246,550.10-262,391.52

Finding the Fourth Proportional to 830,921.61, 1,246,550.10 and 262,391.52

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Solution

The fourth proportional to 830,921.61, 1,246,550.10 and 262,391.52 is: 393,640.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,921.61 : 1,246,550.10 = 262,391.52 : x
  2. Step 2: Convert to fraction form
    830,921.61/1,246,550.10 = 262,391.52/x
  3. Step 3: Cross multiply
    830,921.61x = 1,246,550.10 × 262,391.52
  4. Step 4: Simplify right side
    830,921.61x = 327,084,175,495.15
  5. Step 5: Solve for x
    x = 327,084,175,495.15/830,921.61
  6. Step 6: Final answer
    x = 393,640.23

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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.