Home / 761,426.10-1,141,811.10-382,200.30

Finding the Fourth Proportional to 761,426.10, 1,141,811.10 and 382,200.30

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Solution

The fourth proportional to 761,426.10, 1,141,811.10 and 382,200.30 is: 573,135.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,426.10 : 1,141,811.10 = 382,200.30 : x
  2. Step 2: Convert to fraction form
    761,426.10/1,141,811.10 = 382,200.30/x
  3. Step 3: Cross multiply
    761,426.10x = 1,141,811.10 × 382,200.30
  4. Step 4: Simplify right side
    761,426.10x = 436,400,544,963.33
  5. Step 5: Solve for x
    x = 436,400,544,963.33/761,426.10
  6. Step 6: Final answer
    x = 573,135.78

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Half scale
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Double scale
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Similar ratio
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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.