Home / 893,428.70-1,340,393.18-361,323.39

Finding the Fourth Proportional to 893,428.70, 1,340,393.18 and 361,323.39

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Solution

The fourth proportional to 893,428.70, 1,340,393.18 and 361,323.39 is: 542,086.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,428.70 : 1,340,393.18 = 361,323.39 : x
  2. Step 2: Convert to fraction form
    893,428.70/1,340,393.18 = 361,323.39/x
  3. Step 3: Cross multiply
    893,428.70x = 1,340,393.18 × 361,323.39
  4. Step 4: Simplify right side
    893,428.70x = 484,315,407,730.48
  5. Step 5: Solve for x
    x = 484,315,407,730.48/893,428.70
  6. Step 6: Final answer
    x = 542,086.24

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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.