Home / 738,069.60-1,107,363.60-317,474.40

Finding the Fourth Proportional to 738,069.60, 1,107,363.60 and 317,474.40

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Solution

The fourth proportional to 738,069.60, 1,107,363.60 and 317,474.40 is: 476,323.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,069.60 : 1,107,363.60 = 317,474.40 : x
  2. Step 2: Convert to fraction form
    738,069.60/1,107,363.60 = 317,474.40/x
  3. Step 3: Cross multiply
    738,069.60x = 1,107,363.60 × 317,474.40
  4. Step 4: Simplify right side
    738,069.60x = 351,559,594,491.84
  5. Step 5: Solve for x
    x = 351,559,594,491.84/738,069.60
  6. Step 6: Final answer
    x = 476,323.09

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Double scale
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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.