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Finding the Fourth Proportional to 606,621.70, 909,932.55 and 466,653.70

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Solution

The fourth proportional to 606,621.70, 909,932.55 and 466,653.70 is: 699,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,621.70 : 909,932.55 = 466,653.70 : x
  2. Step 2: Convert to fraction form
    606,621.70/909,932.55 = 466,653.70/x
  3. Step 3: Cross multiply
    606,621.70x = 909,932.55 × 466,653.70
  4. Step 4: Simplify right side
    606,621.70x = 424,623,391,207.94
  5. Step 5: Solve for x
    x = 424,623,391,207.94/606,621.70
  6. Step 6: Final answer
    x = 699,980.55

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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.