Home / 912,770.46-1,369,117.62-238,836.85

Finding the Fourth Proportional to 912,770.46, 1,369,117.62 and 238,836.85

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Solution

The fourth proportional to 912,770.46, 1,369,117.62 and 238,836.85 is: 358,245.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,770.46 : 1,369,117.62 = 238,836.85 : x
  2. Step 2: Convert to fraction form
    912,770.46/1,369,117.62 = 238,836.85/x
  3. Step 3: Cross multiply
    912,770.46x = 1,369,117.62 × 238,836.85
  4. Step 4: Simplify right side
    912,770.46x = 326,995,736,217.50
  5. Step 5: Solve for x
    x = 326,995,736,217.50/912,770.46
  6. Step 6: Final answer
    x = 358,245.31

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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.