Home / 988,520.43-1,481,088.15-539,556.47

Finding the Fourth Proportional to 988,520.43, 1,481,088.15 and 539,556.47

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Solution

The fourth proportional to 988,520.43, 1,481,088.15 and 539,556.47 is: 808,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,520.43 : 1,481,088.15 = 539,556.47 : x
  2. Step 2: Convert to fraction form
    988,520.43/1,481,088.15 = 539,556.47/x
  3. Step 3: Cross multiply
    988,520.43x = 1,481,088.15 × 539,556.47
  4. Step 4: Simplify right side
    988,520.43x = 799,130,686,567.39
  5. Step 5: Solve for x
    x = 799,130,686,567.39/988,520.43
  6. Step 6: Final answer
    x = 808,410.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.