Home / 702,930.10-1,052,961.55-435,870.90

Finding the Fourth Proportional to 702,930.10, 1,052,961.55 and 435,870.90

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Solution

The fourth proportional to 702,930.10, 1,052,961.55 and 435,870.90 is: 652,917.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,930.10 : 1,052,961.55 = 435,870.90 : x
  2. Step 2: Convert to fraction form
    702,930.10/1,052,961.55 = 435,870.90/x
  3. Step 3: Cross multiply
    702,930.10x = 1,052,961.55 × 435,870.90
  4. Step 4: Simplify right side
    702,930.10x = 458,955,298,463.90
  5. Step 5: Solve for x
    x = 458,955,298,463.90/702,930.10
  6. Step 6: Final answer
    x = 652,917.41

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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.