Home / 738,009.20-1,107,532.20-317,586.80

Finding the Fourth Proportional to 738,009.20, 1,107,532.20 and 317,586.80

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Solution

The fourth proportional to 738,009.20, 1,107,532.20 and 317,586.80 is: 476,603.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,009.20 : 1,107,532.20 = 317,586.80 : x
  2. Step 2: Convert to fraction form
    738,009.20/1,107,532.20 = 317,586.80/x
  3. Step 3: Cross multiply
    738,009.20x = 1,107,532.20 × 317,586.80
  4. Step 4: Simplify right side
    738,009.20x = 351,737,607,294.96
  5. Step 5: Solve for x
    x = 351,737,607,294.96/738,009.20
  6. Step 6: Final answer
    x = 476,603.28

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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.