Home / 886,860.69-1,223,867.45-478,962.62

Finding the Fourth Proportional to 886,860.69, 1,223,867.45 and 478,962.62

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Solution

The fourth proportional to 886,860.69, 1,223,867.45 and 478,962.62 is: 660,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,860.69 : 1,223,867.45 = 478,962.62 : x
  2. Step 2: Convert to fraction form
    886,860.69/1,223,867.45 = 478,962.62/x
  3. Step 3: Cross multiply
    886,860.69x = 1,223,867.45 × 478,962.62
  4. Step 4: Simplify right side
    886,860.69x = 586,186,760,052.29
  5. Step 5: Solve for x
    x = 586,186,760,052.29/886,860.69
  6. Step 6: Final answer
    x = 660,968.25

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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.