Home / 784,176.87-1,176,388.40-334,900.05

Finding the Fourth Proportional to 784,176.87, 1,176,388.40 and 334,900.05

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Solution

The fourth proportional to 784,176.87, 1,176,388.40 and 334,900.05 is: 502,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,176.87 : 1,176,388.40 = 334,900.05 : x
  2. Step 2: Convert to fraction form
    784,176.87/1,176,388.40 = 334,900.05/x
  3. Step 3: Cross multiply
    784,176.87x = 1,176,388.40 × 334,900.05
  4. Step 4: Simplify right side
    784,176.87x = 393,972,533,979.42
  5. Step 5: Solve for x
    x = 393,972,533,979.42/784,176.87
  6. Step 6: Final answer
    x = 502,402.65

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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.