Home / 830,932.80-1,247,506.08-561,964.48

Finding the Fourth Proportional to 830,932.80, 1,247,506.08 and 561,964.48

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Solution

The fourth proportional to 830,932.80, 1,247,506.08 and 561,964.48 is: 843,695.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,932.80 : 1,247,506.08 = 561,964.48 : x
  2. Step 2: Convert to fraction form
    830,932.80/1,247,506.08 = 561,964.48/x
  3. Step 3: Cross multiply
    830,932.80x = 1,247,506.08 × 561,964.48
  4. Step 4: Simplify right side
    830,932.80x = 701,054,105,544.04
  5. Step 5: Solve for x
    x = 701,054,105,544.04/830,932.80
  6. Step 6: Final answer
    x = 843,695.31

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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.