Home / 761,051.52-1,140,693.12-287,435.52

Finding the Fourth Proportional to 761,051.52, 1,140,693.12 and 287,435.52

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Solution

The fourth proportional to 761,051.52, 1,140,693.12 and 287,435.52 is: 430,819.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,051.52 : 1,140,693.12 = 287,435.52 : x
  2. Step 2: Convert to fraction form
    761,051.52/1,140,693.12 = 287,435.52/x
  3. Step 3: Cross multiply
    761,051.52x = 1,140,693.12 × 287,435.52
  4. Step 4: Simplify right side
    761,051.52x = 327,875,720,107.62
  5. Step 5: Solve for x
    x = 327,875,720,107.62/761,051.52
  6. Step 6: Final answer
    x = 430,819.35

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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.