Home / 784,381.01-1,176,436.08-208,008.32

Finding the Fourth Proportional to 784,381.01, 1,176,436.08 and 208,008.32

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Solution

The fourth proportional to 784,381.01, 1,176,436.08 and 208,008.32 is: 311,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,381.01 : 1,176,436.08 = 208,008.32 : x
  2. Step 2: Convert to fraction form
    784,381.01/1,176,436.08 = 208,008.32/x
  3. Step 3: Cross multiply
    784,381.01x = 1,176,436.08 × 208,008.32
  4. Step 4: Simplify right side
    784,381.01x = 244,708,486,706.01
  5. Step 5: Solve for x
    x = 244,708,486,706.01/784,381.01
  6. Step 6: Final answer
    x = 311,976.56

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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.