Home / 761,558.82-1,141,965.02-312,157.46

Finding the Fourth Proportional to 761,558.82, 1,141,965.02 and 312,157.46

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Solution

The fourth proportional to 761,558.82, 1,141,965.02 and 312,157.46 is: 468,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,558.82 : 1,141,965.02 = 312,157.46 : x
  2. Step 2: Convert to fraction form
    761,558.82/1,141,965.02 = 312,157.46/x
  3. Step 3: Cross multiply
    761,558.82x = 1,141,965.02 × 312,157.46
  4. Step 4: Simplify right side
    761,558.82x = 356,472,892,781.44
  5. Step 5: Solve for x
    x = 356,472,892,781.44/761,558.82
  6. Step 6: Final answer
    x = 468,083.20

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Double scale
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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.