Home / 910,889.43-1,257,019.23-502,982.48

Finding the Fourth Proportional to 910,889.43, 1,257,019.23 and 502,982.48

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Solution

The fourth proportional to 910,889.43, 1,257,019.23 and 502,982.48 is: 694,111.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,889.43 : 1,257,019.23 = 502,982.48 : x
  2. Step 2: Convert to fraction form
    910,889.43/1,257,019.23 = 502,982.48/x
  3. Step 3: Cross multiply
    910,889.43x = 1,257,019.23 × 502,982.48
  4. Step 4: Simplify right side
    910,889.43x = 632,258,643,427.99
  5. Step 5: Solve for x
    x = 632,258,643,427.99/910,889.43
  6. Step 6: Final answer
    x = 694,111.30

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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.