Home / 642,526.20-963,098.10-243,012.60

Finding the Fourth Proportional to 642,526.20, 963,098.10 and 243,012.60

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Solution

The fourth proportional to 642,526.20, 963,098.10 and 243,012.60 is: 364,257.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,526.20 : 963,098.10 = 243,012.60 : x
  2. Step 2: Convert to fraction form
    642,526.20/963,098.10 = 243,012.60/x
  3. Step 3: Cross multiply
    642,526.20x = 963,098.10 × 243,012.60
  4. Step 4: Simplify right side
    642,526.20x = 234,044,973,336.06
  5. Step 5: Solve for x
    x = 234,044,973,336.06/642,526.20
  6. Step 6: Final answer
    x = 364,257.48

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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.