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Finding the Fourth Proportional to 610,264.63, 842,191.83 and 338,315.23

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Solution

The fourth proportional to 610,264.63, 842,191.83 and 338,315.23 is: 466,889.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,264.63 : 842,191.83 = 338,315.23 : x
  2. Step 2: Convert to fraction form
    610,264.63/842,191.83 = 338,315.23/x
  3. Step 3: Cross multiply
    610,264.63x = 842,191.83 × 338,315.23
  4. Step 4: Simplify right side
    610,264.63x = 284,926,323,723.31
  5. Step 5: Solve for x
    x = 284,926,323,723.31/610,264.63
  6. Step 6: Final answer
    x = 466,889.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.