Home / 830,442.85-1,146,011.14-448,469.63

Finding the Fourth Proportional to 830,442.85, 1,146,011.14 and 448,469.63

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Solution

The fourth proportional to 830,442.85, 1,146,011.14 and 448,469.63 is: 618,888.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,442.85 : 1,146,011.14 = 448,469.63 : x
  2. Step 2: Convert to fraction form
    830,442.85/1,146,011.14 = 448,469.63/x
  3. Step 3: Cross multiply
    830,442.85x = 1,146,011.14 × 448,469.63
  4. Step 4: Simplify right side
    830,442.85x = 513,951,185,080.45
  5. Step 5: Solve for x
    x = 513,951,185,080.45/830,442.85
  6. Step 6: Final answer
    x = 618,888.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.