Home / 725,089.40-1,000,892.84-622,703.72

Finding the Fourth Proportional to 725,089.40, 1,000,892.84 and 622,703.72

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Solution

The fourth proportional to 725,089.40, 1,000,892.84 and 622,703.72 is: 859,562.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,089.40 : 1,000,892.84 = 622,703.72 : x
  2. Step 2: Convert to fraction form
    725,089.40/1,000,892.84 = 622,703.72/x
  3. Step 3: Cross multiply
    725,089.40x = 1,000,892.84 × 622,703.72
  4. Step 4: Simplify right side
    725,089.40x = 623,259,686,671.38
  5. Step 5: Solve for x
    x = 623,259,686,671.38/725,089.40
  6. Step 6: Final answer
    x = 859,562.55

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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.