Home / 743,018.77-1,025,348.56-437,114.85

Finding the Fourth Proportional to 743,018.77, 1,025,348.56 and 437,114.85

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Solution

The fourth proportional to 743,018.77, 1,025,348.56 and 437,114.85 is: 603,208.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,018.77 : 1,025,348.56 = 437,114.85 : x
  2. Step 2: Convert to fraction form
    743,018.77/1,025,348.56 = 437,114.85/x
  3. Step 3: Cross multiply
    743,018.77x = 1,025,348.56 × 437,114.85
  4. Step 4: Simplify right side
    743,018.77x = 448,195,079,816.54
  5. Step 5: Solve for x
    x = 448,195,079,816.54/743,018.77
  6. Step 6: Final answer
    x = 603,208.29

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.