Home / 840,895.23-1,260,592.90-308,292.15

Finding the Fourth Proportional to 840,895.23, 1,260,592.90 and 308,292.15

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Solution

The fourth proportional to 840,895.23, 1,260,592.90 and 308,292.15 is: 462,163.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,895.23 : 1,260,592.90 = 308,292.15 : x
  2. Step 2: Convert to fraction form
    840,895.23/1,260,592.90 = 308,292.15/x
  3. Step 3: Cross multiply
    840,895.23x = 1,260,592.90 × 308,292.15
  4. Step 4: Simplify right side
    840,895.23x = 388,630,895,415.74
  5. Step 5: Solve for x
    x = 388,630,895,415.74/840,895.23
  6. Step 6: Final answer
    x = 462,163.28

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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.