Home / 642,010.46-963,023.99-305,084.07

Finding the Fourth Proportional to 642,010.46, 963,023.99 and 305,084.07

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Solution

The fourth proportional to 642,010.46, 963,023.99 and 305,084.07 is: 457,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,010.46 : 963,023.99 = 305,084.07 : x
  2. Step 2: Convert to fraction form
    642,010.46/963,023.99 = 305,084.07/x
  3. Step 3: Cross multiply
    642,010.46x = 963,023.99 × 305,084.07
  4. Step 4: Simplify right side
    642,010.46x = 293,803,276,851.42
  5. Step 5: Solve for x
    x = 293,803,276,851.42/642,010.46
  6. Step 6: Final answer
    x = 457,630.05

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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.