Home / 880,477.80-1,319,550.30-780,167.40

Finding the Fourth Proportional to 880,477.80, 1,319,550.30 and 780,167.40

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Solution

The fourth proportional to 880,477.80, 1,319,550.30 and 780,167.40 is: 1,169,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,477.80 : 1,319,550.30 = 780,167.40 : x
  2. Step 2: Convert to fraction form
    880,477.80/1,319,550.30 = 780,167.40/x
  3. Step 3: Cross multiply
    880,477.80x = 1,319,550.30 × 780,167.40
  4. Step 4: Simplify right side
    880,477.80x = 1,029,470,126,720.22
  5. Step 5: Solve for x
    x = 1,029,470,126,720.22/880,477.80
  6. Step 6: Final answer
    x = 1,169,217.58

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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.