Home / 824,483.40-1,234,625.54-543,147.72

Finding the Fourth Proportional to 824,483.40, 1,234,625.54 and 543,147.72

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Solution

The fourth proportional to 824,483.40, 1,234,625.54 and 543,147.72 is: 813,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,483.40 : 1,234,625.54 = 543,147.72 : x
  2. Step 2: Convert to fraction form
    824,483.40/1,234,625.54 = 543,147.72/x
  3. Step 3: Cross multiply
    824,483.40x = 1,234,625.54 × 543,147.72
  4. Step 4: Simplify right side
    824,483.40x = 670,584,044,389.03
  5. Step 5: Solve for x
    x = 670,584,044,389.03/824,483.40
  6. Step 6: Final answer
    x = 813,338.44

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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.