Home / 805,024.80-1,208,592.40-539,971.20

Finding the Fourth Proportional to 805,024.80, 1,208,592.40 and 539,971.20

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Solution

The fourth proportional to 805,024.80, 1,208,592.40 and 539,971.20 is: 810,664.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,024.80 : 1,208,592.40 = 539,971.20 : x
  2. Step 2: Convert to fraction form
    805,024.80/1,208,592.40 = 539,971.20/x
  3. Step 3: Cross multiply
    805,024.80x = 1,208,592.40 × 539,971.20
  4. Step 4: Simplify right side
    805,024.80x = 652,605,088,538.88
  5. Step 5: Solve for x
    x = 652,605,088,538.88/805,024.80
  6. Step 6: Final answer
    x = 810,664.58

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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.