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Finding the Fourth Proportional to 607,626.77, 912,012.21 and 308,322.15

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Solution

The fourth proportional to 607,626.77, 912,012.21 and 308,322.15 is: 462,773.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,626.77 : 912,012.21 = 308,322.15 : x
  2. Step 2: Convert to fraction form
    607,626.77/912,012.21 = 308,322.15/x
  3. Step 3: Cross multiply
    607,626.77x = 912,012.21 × 308,322.15
  4. Step 4: Simplify right side
    607,626.77x = 281,193,561,993.41
  5. Step 5: Solve for x
    x = 281,193,561,993.41/607,626.77
  6. Step 6: Final answer
    x = 462,773.50

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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.