Home / 808,209.98-1,210,479.90-626,839.46

Finding the Fourth Proportional to 808,209.98, 1,210,479.90 and 626,839.46

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Solution

The fourth proportional to 808,209.98, 1,210,479.90 and 626,839.46 is: 938,835.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,209.98 : 1,210,479.90 = 626,839.46 : x
  2. Step 2: Convert to fraction form
    808,209.98/1,210,479.90 = 626,839.46/x
  3. Step 3: Cross multiply
    808,209.98x = 1,210,479.90 × 626,839.46
  4. Step 4: Simplify right side
    808,209.98x = 758,776,566,856.85
  5. Step 5: Solve for x
    x = 758,776,566,856.85/808,209.98
  6. Step 6: Final answer
    x = 938,835.93

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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.