Home / 807,623.35-1,210,701.78-402,939.33

Finding the Fourth Proportional to 807,623.35, 1,210,701.78 and 402,939.33

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Solution

The fourth proportional to 807,623.35, 1,210,701.78 and 402,939.33 is: 604,043.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,623.35 : 1,210,701.78 = 402,939.33 : x
  2. Step 2: Convert to fraction form
    807,623.35/1,210,701.78 = 402,939.33/x
  3. Step 3: Cross multiply
    807,623.35x = 1,210,701.78 × 402,939.33
  4. Step 4: Simplify right side
    807,623.35x = 487,839,364,063.01
  5. Step 5: Solve for x
    x = 487,839,364,063.01/807,623.35
  6. Step 6: Final answer
    x = 604,043.16

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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.