Home / 738,260.70-1,107,909.45-317,838.30

Finding the Fourth Proportional to 738,260.70, 1,107,909.45 and 317,838.30

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Solution

The fourth proportional to 738,260.70, 1,107,909.45 and 317,838.30 is: 476,980.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,260.70 : 1,107,909.45 = 317,838.30 : x
  2. Step 2: Convert to fraction form
    738,260.70/1,107,909.45 = 317,838.30/x
  3. Step 3: Cross multiply
    738,260.70x = 1,107,909.45 × 317,838.30
  4. Step 4: Simplify right side
    738,260.70x = 352,136,056,141.94
  5. Step 5: Solve for x
    x = 352,136,056,141.94/738,260.70
  6. Step 6: Final answer
    x = 476,980.63

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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.