Home / 893,521.02-1,340,379.54-387,734.34

Finding the Fourth Proportional to 893,521.02, 1,340,379.54 and 387,734.34

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Solution

The fourth proportional to 893,521.02, 1,340,379.54 and 387,734.34 is: 581,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,521.02 : 1,340,379.54 = 387,734.34 : x
  2. Step 2: Convert to fraction form
    893,521.02/1,340,379.54 = 387,734.34/x
  3. Step 3: Cross multiply
    893,521.02x = 1,340,379.54 × 387,734.34
  4. Step 4: Simplify right side
    893,521.02x = 519,711,176,291.40
  5. Step 5: Solve for x
    x = 519,711,176,291.40/893,521.02
  6. Step 6: Final answer
    x = 581,644.04

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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.