Home / 927,093.58-1,390,856.04-287,363.39

Finding the Fourth Proportional to 927,093.58, 1,390,856.04 and 287,363.39

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Solution

The fourth proportional to 927,093.58, 1,390,856.04 and 287,363.39 is: 431,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,093.58 : 1,390,856.04 = 287,363.39 : x
  2. Step 2: Convert to fraction form
    927,093.58/1,390,856.04 = 287,363.39/x
  3. Step 3: Cross multiply
    927,093.58x = 1,390,856.04 × 287,363.39
  4. Step 4: Simplify right side
    927,093.58x = 399,681,099,702.10
  5. Step 5: Solve for x
    x = 399,681,099,702.10/927,093.58
  6. Step 6: Final answer
    x = 431,111.93

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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.