Home / 849,355.80-1,274,656.20-625,319.94

Finding the Fourth Proportional to 849,355.80, 1,274,656.20 and 625,319.94

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Solution

The fourth proportional to 849,355.80, 1,274,656.20 and 625,319.94 is: 938,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,355.80 : 1,274,656.20 = 625,319.94 : x
  2. Step 2: Convert to fraction form
    849,355.80/1,274,656.20 = 625,319.94/x
  3. Step 3: Cross multiply
    849,355.80x = 1,274,656.20 × 625,319.94
  4. Step 4: Simplify right side
    849,355.80x = 797,067,938,504.63
  5. Step 5: Solve for x
    x = 797,067,938,504.63/849,355.80
  6. Step 6: Final answer
    x = 938,438.21

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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.