Home / 725,088.83-1,000,892.05-622,703.15

Finding the Fourth Proportional to 725,088.83, 1,000,892.05 and 622,703.15

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Solution

The fourth proportional to 725,088.83, 1,000,892.05 and 622,703.15 is: 859,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,088.83 : 1,000,892.05 = 622,703.15 : x
  2. Step 2: Convert to fraction form
    725,088.83/1,000,892.05 = 622,703.15/x
  3. Step 3: Cross multiply
    725,088.83x = 1,000,892.05 × 622,703.15
  4. Step 4: Simplify right side
    725,088.83x = 623,258,635,625.57
  5. Step 5: Solve for x
    x = 623,258,635,625.57/725,088.83
  6. Step 6: Final answer
    x = 859,561.76

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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.