Home / 893,479.20-1,340,456.40-387,823.20

Finding the Fourth Proportional to 893,479.20, 1,340,456.40 and 387,823.20

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Solution

The fourth proportional to 893,479.20, 1,340,456.40 and 387,823.20 is: 581,837.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,479.20 : 1,340,456.40 = 387,823.20 : x
  2. Step 2: Convert to fraction form
    893,479.20/1,340,456.40 = 387,823.20/x
  3. Step 3: Cross multiply
    893,479.20x = 1,340,456.40 × 387,823.20
  4. Step 4: Simplify right side
    893,479.20x = 519,860,090,508.48
  5. Step 5: Solve for x
    x = 519,860,090,508.48/893,479.20
  6. Step 6: Final answer
    x = 581,837.93

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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.