Home / 970,433.87-1,455,650.80-371,578.59

Finding the Fourth Proportional to 970,433.87, 1,455,650.80 and 371,578.59

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Solution

The fourth proportional to 970,433.87, 1,455,650.80 and 371,578.59 is: 557,367.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,433.87 : 1,455,650.80 = 371,578.59 : x
  2. Step 2: Convert to fraction form
    970,433.87/1,455,650.80 = 371,578.59/x
  3. Step 3: Cross multiply
    970,433.87x = 1,455,650.80 × 371,578.59
  4. Step 4: Simplify right side
    970,433.87x = 540,888,670,867.43
  5. Step 5: Solve for x
    x = 540,888,670,867.43/970,433.87
  6. Step 6: Final answer
    x = 557,367.89

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Double scale
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Similar ratio
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1.5x scale

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.