Home / 803,218.81-1,205,188.04-438,600.34

Finding the Fourth Proportional to 803,218.81, 1,205,188.04 and 438,600.34

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Solution

The fourth proportional to 803,218.81, 1,205,188.04 and 438,600.34 is: 658,097.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,218.81 : 1,205,188.04 = 438,600.34 : x
  2. Step 2: Convert to fraction form
    803,218.81/1,205,188.04 = 438,600.34/x
  3. Step 3: Cross multiply
    803,218.81x = 1,205,188.04 × 438,600.34
  4. Step 4: Simplify right side
    803,218.81x = 528,595,888,866.95
  5. Step 5: Solve for x
    x = 528,595,888,866.95/803,218.81
  6. Step 6: Final answer
    x = 658,097.00

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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.