Home / 702,779.52-1,052,112.96-435,734.40

Finding the Fourth Proportional to 702,779.52, 1,052,112.96 and 435,734.40

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Solution

The fourth proportional to 702,779.52, 1,052,112.96 and 435,734.40 is: 652,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,779.52 : 1,052,112.96 = 435,734.40 : x
  2. Step 2: Convert to fraction form
    702,779.52/1,052,112.96 = 435,734.40/x
  3. Step 3: Cross multiply
    702,779.52x = 1,052,112.96 × 435,734.40
  4. Step 4: Simplify right side
    702,779.52x = 458,441,809,357.82
  5. Step 5: Solve for x
    x = 458,441,809,357.82/702,779.52
  6. Step 6: Final answer
    x = 652,326.65

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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.