Home / 803,881.35-1,205,828.51-291,908.43

Finding the Fourth Proportional to 803,881.35, 1,205,828.51 and 291,908.43

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Solution

The fourth proportional to 803,881.35, 1,205,828.51 and 291,908.43 is: 437,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,881.35 : 1,205,828.51 = 291,908.43 : x
  2. Step 2: Convert to fraction form
    803,881.35/1,205,828.51 = 291,908.43/x
  3. Step 3: Cross multiply
    803,881.35x = 1,205,828.51 × 291,908.43
  4. Step 4: Simplify right side
    803,881.35x = 351,991,505,743.80
  5. Step 5: Solve for x
    x = 351,991,505,743.80/803,881.35
  6. Step 6: Final answer
    x = 437,865.00

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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.