Home / 720,845.61-1,086,134.30-597,236.37

Finding the Fourth Proportional to 720,845.61, 1,086,134.30 and 597,236.37

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Solution

The fourth proportional to 720,845.61, 1,086,134.30 and 597,236.37 is: 899,886.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,845.61 : 1,086,134.30 = 597,236.37 : x
  2. Step 2: Convert to fraction form
    720,845.61/1,086,134.30 = 597,236.37/x
  3. Step 3: Cross multiply
    720,845.61x = 1,086,134.30 × 597,236.37
  4. Step 4: Simplify right side
    720,845.61x = 648,678,903,678.31
  5. Step 5: Solve for x
    x = 648,678,903,678.31/720,845.61
  6. Step 6: Final answer
    x = 899,886.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.