Home / 784,178.88-1,176,391.40-334,902.06

Finding the Fourth Proportional to 784,178.88, 1,176,391.40 and 334,902.06

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Solution

The fourth proportional to 784,178.88, 1,176,391.40 and 334,902.06 is: 502,405.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,178.88 : 1,176,391.40 = 334,902.06 : x
  2. Step 2: Convert to fraction form
    784,178.88/1,176,391.40 = 334,902.06/x
  3. Step 3: Cross multiply
    784,178.88x = 1,176,391.40 × 334,902.06
  4. Step 4: Simplify right side
    784,178.88x = 393,975,903,226.28
  5. Step 5: Solve for x
    x = 393,975,903,226.28/784,178.88
  6. Step 6: Final answer
    x = 502,405.65

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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.