Home / 808,738.80-1,210,775.40-715,426.80

Finding the Fourth Proportional to 808,738.80, 1,210,775.40 and 715,426.80

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Solution

The fourth proportional to 808,738.80, 1,210,775.40 and 715,426.80 is: 1,071,076.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,738.80 : 1,210,775.40 = 715,426.80 : x
  2. Step 2: Convert to fraction form
    808,738.80/1,210,775.40 = 715,426.80/x
  3. Step 3: Cross multiply
    808,738.80x = 1,210,775.40 × 715,426.80
  4. Step 4: Simplify right side
    808,738.80x = 866,221,169,940.72
  5. Step 5: Solve for x
    x = 866,221,169,940.72/808,738.80
  6. Step 6: Final answer
    x = 1,071,076.56

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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.