Home / 893,426.81-1,340,390.39-361,321.52

Finding the Fourth Proportional to 893,426.81, 1,340,390.39 and 361,321.52

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Solution

The fourth proportional to 893,426.81, 1,340,390.39 and 361,321.52 is: 542,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,426.81 : 1,340,390.39 = 361,321.52 : x
  2. Step 2: Convert to fraction form
    893,426.81/1,340,390.39 = 361,321.52/x
  3. Step 3: Cross multiply
    893,426.81x = 1,340,390.39 × 361,321.52
  4. Step 4: Simplify right side
    893,426.81x = 484,311,884,599.63
  5. Step 5: Solve for x
    x = 484,311,884,599.63/893,426.81
  6. Step 6: Final answer
    x = 542,083.45

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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.