Home / 642,055.91-963,352.67-282,041.07

Finding the Fourth Proportional to 642,055.91, 963,352.67 and 282,041.07

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Solution

The fourth proportional to 642,055.91, 963,352.67 and 282,041.07 is: 423,179.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,055.91 : 963,352.67 = 282,041.07 : x
  2. Step 2: Convert to fraction form
    642,055.91/963,352.67 = 282,041.07/x
  3. Step 3: Cross multiply
    642,055.91x = 963,352.67 × 282,041.07
  4. Step 4: Simplify right side
    642,055.91x = 271,705,016,423.95
  5. Step 5: Solve for x
    x = 271,705,016,423.95/642,055.91
  6. Step 6: Final answer
    x = 423,179.69

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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.