Home / 987,993.59-1,363,413.47-558,264.51

Finding the Fourth Proportional to 987,993.59, 1,363,413.47 and 558,264.51

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Solution

The fourth proportional to 987,993.59, 1,363,413.47 and 558,264.51 is: 770,395.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,993.59 : 1,363,413.47 = 558,264.51 : x
  2. Step 2: Convert to fraction form
    987,993.59/1,363,413.47 = 558,264.51/x
  3. Step 3: Cross multiply
    987,993.59x = 1,363,413.47 × 558,264.51
  4. Step 4: Simplify right side
    987,993.59x = 761,145,349,965.63
  5. Step 5: Solve for x
    x = 761,145,349,965.63/987,993.59
  6. Step 6: Final answer
    x = 770,395.03

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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.