Home / 909,655.80-1,363,390.20-376,902.60

Finding the Fourth Proportional to 909,655.80, 1,363,390.20 and 376,902.60

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Solution

The fourth proportional to 909,655.80, 1,363,390.20 and 376,902.60 is: 564,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,655.80 : 1,363,390.20 = 376,902.60 : x
  2. Step 2: Convert to fraction form
    909,655.80/1,363,390.20 = 376,902.60/x
  3. Step 3: Cross multiply
    909,655.80x = 1,363,390.20 × 376,902.60
  4. Step 4: Simplify right side
    909,655.80x = 513,865,311,194.52
  5. Step 5: Solve for x
    x = 513,865,311,194.52/909,655.80
  6. Step 6: Final answer
    x = 564,900.82

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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.