Home / 761,212.32-1,141,844.40-361,646.88

Finding the Fourth Proportional to 761,212.32, 1,141,844.40 and 361,646.88

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Solution

The fourth proportional to 761,212.32, 1,141,844.40 and 361,646.88 is: 542,482.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,212.32 : 1,141,844.40 = 361,646.88 : x
  2. Step 2: Convert to fraction form
    761,212.32/1,141,844.40 = 361,646.88/x
  3. Step 3: Cross multiply
    761,212.32x = 1,141,844.40 × 361,646.88
  4. Step 4: Simplify right side
    761,212.32x = 412,944,464,705.47
  5. Step 5: Solve for x
    x = 412,944,464,705.47/761,212.32
  6. Step 6: Final answer
    x = 542,482.63

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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.