Home / 810,903.07-1,118,800.65-565,881.31

Finding the Fourth Proportional to 810,903.07, 1,118,800.65 and 565,881.31

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Solution

The fourth proportional to 810,903.07, 1,118,800.65 and 565,881.31 is: 780,744.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,903.07 : 1,118,800.65 = 565,881.31 : x
  2. Step 2: Convert to fraction form
    810,903.07/1,118,800.65 = 565,881.31/x
  3. Step 3: Cross multiply
    810,903.07x = 1,118,800.65 × 565,881.31
  4. Step 4: Simplify right side
    810,903.07x = 633,108,377,450.85
  5. Step 5: Solve for x
    x = 633,108,377,450.85/810,903.07
  6. Step 6: Final answer
    x = 780,744.83

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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.