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Finding the Fourth Proportional to 608,366.79, 912,612.15 and 208,955.79

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Solution

The fourth proportional to 608,366.79, 912,612.15 and 208,955.79 is: 313,454.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,366.79 : 912,612.15 = 208,955.79 : x
  2. Step 2: Convert to fraction form
    608,366.79/912,612.15 = 208,955.79/x
  3. Step 3: Cross multiply
    608,366.79x = 912,612.15 × 208,955.79
  4. Step 4: Simplify right side
    608,366.79x = 190,695,592,766.85
  5. Step 5: Solve for x
    x = 190,695,592,766.85/608,366.79
  6. Step 6: Final answer
    x = 313,454.97

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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.