Home / 642,224.20-962,645.10-242,710.60

Finding the Fourth Proportional to 642,224.20, 962,645.10 and 242,710.60

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Solution

The fourth proportional to 642,224.20, 962,645.10 and 242,710.60 is: 363,804.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,224.20 : 962,645.10 = 242,710.60 : x
  2. Step 2: Convert to fraction form
    642,224.20/962,645.10 = 242,710.60/x
  3. Step 3: Cross multiply
    642,224.20x = 962,645.10 × 242,710.60
  4. Step 4: Simplify right side
    642,224.20x = 233,644,169,808.06
  5. Step 5: Solve for x
    x = 233,644,169,808.06/642,224.20
  6. Step 6: Final answer
    x = 363,804.68

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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.