Home / 784,150.81-1,176,349.23-334,874.05

Finding the Fourth Proportional to 784,150.81, 1,176,349.23 and 334,874.05

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Solution

The fourth proportional to 784,150.81, 1,176,349.23 and 334,874.05 is: 502,363.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,150.81 : 1,176,349.23 = 334,874.05 : x
  2. Step 2: Convert to fraction form
    784,150.81/1,176,349.23 = 334,874.05/x
  3. Step 3: Cross multiply
    784,150.81x = 1,176,349.23 × 334,874.05
  4. Step 4: Simplify right side
    784,150.81x = 393,928,827,923.61
  5. Step 5: Solve for x
    x = 393,928,827,923.61/784,150.81
  6. Step 6: Final answer
    x = 502,363.61

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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.