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Finding the Fourth Proportional to 608,657.94, 912,808.53 and 229,304.97

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Solution

The fourth proportional to 608,657.94, 912,808.53 and 229,304.97 is: 343,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,657.94 : 912,808.53 = 229,304.97 : x
  2. Step 2: Convert to fraction form
    608,657.94/912,808.53 = 229,304.97/x
  3. Step 3: Cross multiply
    608,657.94x = 912,808.53 × 229,304.97
  4. Step 4: Simplify right side
    608,657.94x = 209,311,532,587.39
  5. Step 5: Solve for x
    x = 209,311,532,587.39/608,657.94
  6. Step 6: Final answer
    x = 343,890.25

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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.