Home / 869,635.80-1,199,810.46-525,342.84

Finding the Fourth Proportional to 869,635.80, 1,199,810.46 and 525,342.84

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Solution

The fourth proportional to 869,635.80, 1,199,810.46 and 525,342.84 is: 724,799.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,635.80 : 1,199,810.46 = 525,342.84 : x
  2. Step 2: Convert to fraction form
    869,635.80/1,199,810.46 = 525,342.84/x
  3. Step 3: Cross multiply
    869,635.80x = 1,199,810.46 × 525,342.84
  4. Step 4: Simplify right side
    869,635.80x = 630,311,834,518.11
  5. Step 5: Solve for x
    x = 630,311,834,518.11/869,635.80
  6. Step 6: Final answer
    x = 724,799.78

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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.