Home / 880,686.40-1,320,154.80-406,544.80

Finding the Fourth Proportional to 880,686.40, 1,320,154.80 and 406,544.80

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Solution

The fourth proportional to 880,686.40, 1,320,154.80 and 406,544.80 is: 609,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,686.40 : 1,320,154.80 = 406,544.80 : x
  2. Step 2: Convert to fraction form
    880,686.40/1,320,154.80 = 406,544.80/x
  3. Step 3: Cross multiply
    880,686.40x = 1,320,154.80 × 406,544.80
  4. Step 4: Simplify right side
    880,686.40x = 536,702,069,135.04
  5. Step 5: Solve for x
    x = 536,702,069,135.04/880,686.40
  6. Step 6: Final answer
    x = 609,413.37

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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.