Home / 698,552.38-964,002.28-380,600.38

Finding the Fourth Proportional to 698,552.38, 964,002.28 and 380,600.38

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Solution

The fourth proportional to 698,552.38, 964,002.28 and 380,600.38 is: 525,228.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,552.38 : 964,002.28 = 380,600.38 : x
  2. Step 2: Convert to fraction form
    698,552.38/964,002.28 = 380,600.38/x
  3. Step 3: Cross multiply
    698,552.38x = 964,002.28 × 380,600.38
  4. Step 4: Simplify right side
    698,552.38x = 366,899,628,317.35
  5. Step 5: Solve for x
    x = 366,899,628,317.35/698,552.38
  6. Step 6: Final answer
    x = 525,228.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.