Home / 781,346.98-1,172,065.85-301,577.50

Finding the Fourth Proportional to 781,346.98, 1,172,065.85 and 301,577.50

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Solution

The fourth proportional to 781,346.98, 1,172,065.85 and 301,577.50 is: 452,383.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,346.98 : 1,172,065.85 = 301,577.50 : x
  2. Step 2: Convert to fraction form
    781,346.98/1,172,065.85 = 301,577.50/x
  3. Step 3: Cross multiply
    781,346.98x = 1,172,065.85 × 301,577.50
  4. Step 4: Simplify right side
    781,346.98x = 353,468,693,262.92
  5. Step 5: Solve for x
    x = 353,468,693,262.92/781,346.98
  6. Step 6: Final answer
    x = 452,383.77

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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.