Home / 761,118.12-1,141,449.57-477,239.85

Finding the Fourth Proportional to 761,118.12, 1,141,449.57 and 477,239.85

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Solution

The fourth proportional to 761,118.12, 1,141,449.57 and 477,239.85 is: 715,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,118.12 : 1,141,449.57 = 477,239.85 : x
  2. Step 2: Convert to fraction form
    761,118.12/1,141,449.57 = 477,239.85/x
  3. Step 3: Cross multiply
    761,118.12x = 1,141,449.57 × 477,239.85
  4. Step 4: Simplify right side
    761,118.12x = 544,745,221,569.37
  5. Step 5: Solve for x
    x = 544,745,221,569.37/761,118.12
  6. Step 6: Final answer
    x = 715,717.06

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1.5x scale

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.