Home / 723,498.60-1,084,940.70-349,636.20

Finding the Fourth Proportional to 723,498.60, 1,084,940.70 and 349,636.20

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Solution

The fourth proportional to 723,498.60, 1,084,940.70 and 349,636.20 is: 524,305.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,498.60 : 1,084,940.70 = 349,636.20 : x
  2. Step 2: Convert to fraction form
    723,498.60/1,084,940.70 = 349,636.20/x
  3. Step 3: Cross multiply
    723,498.60x = 1,084,940.70 × 349,636.20
  4. Step 4: Simplify right side
    723,498.60x = 379,334,543,573.34
  5. Step 5: Solve for x
    x = 379,334,543,573.34/723,498.60
  6. Step 6: Final answer
    x = 524,305.84

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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.