Home / 893,719-1,340,156.16-324,703.36

Finding the Fourth Proportional to 893,719, 1,340,156.16 and 324,703.36

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Solution

The fourth proportional to 893,719, 1,340,156.16 and 324,703.36 is: 486,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,719 : 1,340,156.16 = 324,703.36 : x
  2. Step 2: Convert to fraction form
    893,719/1,340,156.16 = 324,703.36/x
  3. Step 3: Cross multiply
    893,719x = 1,340,156.16 × 324,703.36
  4. Step 4: Simplify right side
    893,719x = 435,153,208,076.70
  5. Step 5: Solve for x
    x = 435,153,208,076.70/893,719
  6. Step 6: Final answer
    x = 486,901.60

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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.