Home / 808,895.40-1,213,343.10-748,069.80

Finding the Fourth Proportional to 808,895.40, 1,213,343.10 and 748,069.80

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Solution

The fourth proportional to 808,895.40, 1,213,343.10 and 748,069.80 is: 1,122,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,895.40 : 1,213,343.10 = 748,069.80 : x
  2. Step 2: Convert to fraction form
    808,895.40/1,213,343.10 = 748,069.80/x
  3. Step 3: Cross multiply
    808,895.40x = 1,213,343.10 × 748,069.80
  4. Step 4: Simplify right side
    808,895.40x = 907,665,330,148.38
  5. Step 5: Solve for x
    x = 907,665,330,148.38/808,895.40
  6. Step 6: Final answer
    x = 1,122,104.70

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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.