Home / 759,606.92-1,047,840.90-487,370.84

Finding the Fourth Proportional to 759,606.92, 1,047,840.90 and 487,370.84

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Solution

The fourth proportional to 759,606.92, 1,047,840.90 and 487,370.84 is: 672,304.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,606.92 : 1,047,840.90 = 487,370.84 : x
  2. Step 2: Convert to fraction form
    759,606.92/1,047,840.90 = 487,370.84/x
  3. Step 3: Cross multiply
    759,606.92x = 1,047,840.90 × 487,370.84
  4. Step 4: Simplify right side
    759,606.92x = 510,687,099,619.36
  5. Step 5: Solve for x
    x = 510,687,099,619.36/759,606.92
  6. Step 6: Final answer
    x = 672,304.43

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Double scale
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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.