Home / 885,827.20-1,328,740.80-586,645.60

Finding the Fourth Proportional to 885,827.20, 1,328,740.80 and 586,645.60

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Solution

The fourth proportional to 885,827.20, 1,328,740.80 and 586,645.60 is: 879,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,827.20 : 1,328,740.80 = 586,645.60 : x
  2. Step 2: Convert to fraction form
    885,827.20/1,328,740.80 = 586,645.60/x
  3. Step 3: Cross multiply
    885,827.20x = 1,328,740.80 × 586,645.60
  4. Step 4: Simplify right side
    885,827.20x = 779,499,943,860.48
  5. Step 5: Solve for x
    x = 779,499,943,860.48/885,827.20
  6. Step 6: Final answer
    x = 879,968.40

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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.