Home / 810,912.08-1,118,813.06-565,890.32

Finding the Fourth Proportional to 810,912.08, 1,118,813.06 and 565,890.32

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Solution

The fourth proportional to 810,912.08, 1,118,813.06 and 565,890.32 is: 780,757.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,912.08 : 1,118,813.06 = 565,890.32 : x
  2. Step 2: Convert to fraction form
    810,912.08/1,118,813.06 = 565,890.32/x
  3. Step 3: Cross multiply
    810,912.08x = 1,118,813.06 × 565,890.32
  4. Step 4: Simplify right side
    810,912.08x = 633,125,480,543.58
  5. Step 5: Solve for x
    x = 633,125,480,543.58/810,912.08
  6. Step 6: Final answer
    x = 780,757.24

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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.