Home / 893,298.08-1,339,193.50-387,478.24

Finding the Fourth Proportional to 893,298.08, 1,339,193.50 and 387,478.24

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Solution

The fourth proportional to 893,298.08, 1,339,193.50 and 387,478.24 is: 580,890.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,298.08 : 1,339,193.50 = 387,478.24 : x
  2. Step 2: Convert to fraction form
    893,298.08/1,339,193.50 = 387,478.24/x
  3. Step 3: Cross multiply
    893,298.08x = 1,339,193.50 × 387,478.24
  4. Step 4: Simplify right side
    893,298.08x = 518,908,340,399.44
  5. Step 5: Solve for x
    x = 518,908,340,399.44/893,298.08
  6. Step 6: Final answer
    x = 580,890.47

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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.