Home / 802,988.15-1,108,151.87-440,413.45

Finding the Fourth Proportional to 802,988.15, 1,108,151.87 and 440,413.45

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Solution

The fourth proportional to 802,988.15, 1,108,151.87 and 440,413.45 is: 607,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,988.15 : 1,108,151.87 = 440,413.45 : x
  2. Step 2: Convert to fraction form
    802,988.15/1,108,151.87 = 440,413.45/x
  3. Step 3: Cross multiply
    802,988.15x = 1,108,151.87 × 440,413.45
  4. Step 4: Simplify right side
    802,988.15x = 488,044,986,774.35
  5. Step 5: Solve for x
    x = 488,044,986,774.35/802,988.15
  6. Step 6: Final answer
    x = 607,786.04

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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.