Home / 909,005.80-1,363,667.10-376,234.60

Finding the Fourth Proportional to 909,005.80, 1,363,667.10 and 376,234.60

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Solution

The fourth proportional to 909,005.80, 1,363,667.10 and 376,234.60 is: 564,417.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,005.80 : 1,363,667.10 = 376,234.60 : x
  2. Step 2: Convert to fraction form
    909,005.80/1,363,667.10 = 376,234.60/x
  3. Step 3: Cross multiply
    909,005.80x = 1,363,667.10 × 376,234.60
  4. Step 4: Simplify right side
    909,005.80x = 513,058,745,901.66
  5. Step 5: Solve for x
    x = 513,058,745,901.66/909,005.80
  6. Step 6: Final answer
    x = 564,417.46

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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.