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Finding the Fourth Proportional to 660,794.86, 911,692.13 and 370,366.19

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Solution

The fourth proportional to 660,794.86, 911,692.13 and 370,366.19 is: 510,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,794.86 : 911,692.13 = 370,366.19 : x
  2. Step 2: Convert to fraction form
    660,794.86/911,692.13 = 370,366.19/x
  3. Step 3: Cross multiply
    660,794.86x = 911,692.13 × 370,366.19
  4. Step 4: Simplify right side
    660,794.86x = 337,659,937,649.64
  5. Step 5: Solve for x
    x = 337,659,937,649.64/660,794.86
  6. Step 6: Final answer
    x = 510,990.56

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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.