Home / 893,577.20-1,340,603.40-387,921.20

Finding the Fourth Proportional to 893,577.20, 1,340,603.40 and 387,921.20

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Solution

The fourth proportional to 893,577.20, 1,340,603.40 and 387,921.20 is: 581,984.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,577.20 : 1,340,603.40 = 387,921.20 : x
  2. Step 2: Convert to fraction form
    893,577.20/1,340,603.40 = 387,921.20/x
  3. Step 3: Cross multiply
    893,577.20x = 1,340,603.40 × 387,921.20
  4. Step 4: Simplify right side
    893,577.20x = 520,048,479,652.08
  5. Step 5: Solve for x
    x = 520,048,479,652.08/893,577.20
  6. Step 6: Final answer
    x = 581,984.95

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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.