Home / 686,857.13-1,030,442.65-237,577.62

Finding the Fourth Proportional to 686,857.13, 1,030,442.65 and 237,577.62

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Solution

The fourth proportional to 686,857.13, 1,030,442.65 and 237,577.62 is: 356,420.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,857.13 : 1,030,442.65 = 237,577.62 : x
  2. Step 2: Convert to fraction form
    686,857.13/1,030,442.65 = 237,577.62/x
  3. Step 3: Cross multiply
    686,857.13x = 1,030,442.65 × 237,577.62
  4. Step 4: Simplify right side
    686,857.13x = 244,810,112,333.49
  5. Step 5: Solve for x
    x = 244,810,112,333.49/686,857.13
  6. Step 6: Final answer
    x = 356,420.72

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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.