Home / 642,064.92-963,366.18-282,050.07

Finding the Fourth Proportional to 642,064.92, 963,366.18 and 282,050.07

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Solution

The fourth proportional to 642,064.92, 963,366.18 and 282,050.07 is: 423,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,064.92 : 963,366.18 = 282,050.07 : x
  2. Step 2: Convert to fraction form
    642,064.92/963,366.18 = 282,050.07/x
  3. Step 3: Cross multiply
    642,064.92x = 963,366.18 × 282,050.07
  4. Step 4: Simplify right side
    642,064.92x = 271,717,498,504.63
  5. Step 5: Solve for x
    x = 271,717,498,504.63/642,064.92
  6. Step 6: Final answer
    x = 423,193.19

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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.