Home / 853,474.11-1,282,802.81-570,169.95

Finding the Fourth Proportional to 853,474.11, 1,282,802.81 and 570,169.95

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Solution

The fourth proportional to 853,474.11, 1,282,802.81 and 570,169.95 is: 856,986.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,474.11 : 1,282,802.81 = 570,169.95 : x
  2. Step 2: Convert to fraction form
    853,474.11/1,282,802.81 = 570,169.95/x
  3. Step 3: Cross multiply
    853,474.11x = 1,282,802.81 × 570,169.95
  4. Step 4: Simplify right side
    853,474.11x = 731,415,611,186.71
  5. Step 5: Solve for x
    x = 731,415,611,186.71/853,474.11
  6. Step 6: Final answer
    x = 856,986.29

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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.