Home / 810,910.08-1,118,810.30-565,888.32

Finding the Fourth Proportional to 810,910.08, 1,118,810.30 and 565,888.32

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Solution

The fourth proportional to 810,910.08, 1,118,810.30 and 565,888.32 is: 780,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,910.08 : 1,118,810.30 = 565,888.32 : x
  2. Step 2: Convert to fraction form
    810,910.08/1,118,810.30 = 565,888.32/x
  3. Step 3: Cross multiply
    810,910.08x = 1,118,810.30 × 565,888.32
  4. Step 4: Simplify right side
    810,910.08x = 633,121,681,065.70
  5. Step 5: Solve for x
    x = 633,121,681,065.70/810,910.08
  6. Step 6: Final answer
    x = 780,754.48

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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.