Home / 761,481.87-1,050,711.66-434,645.61

Finding the Fourth Proportional to 761,481.87, 1,050,711.66 and 434,645.61

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Solution

The fourth proportional to 761,481.87, 1,050,711.66 and 434,645.61 is: 599,734.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,481.87 : 1,050,711.66 = 434,645.61 : x
  2. Step 2: Convert to fraction form
    761,481.87/1,050,711.66 = 434,645.61/x
  3. Step 3: Cross multiply
    761,481.87x = 1,050,711.66 × 434,645.61
  4. Step 4: Simplify right side
    761,481.87x = 456,687,210,394.81
  5. Step 5: Solve for x
    x = 456,687,210,394.81/761,481.87
  6. Step 6: Final answer
    x = 599,734.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.