Home / 743,019.21-1,025,349.16-437,115.29

Finding the Fourth Proportional to 743,019.21, 1,025,349.16 and 437,115.29

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Solution

The fourth proportional to 743,019.21, 1,025,349.16 and 437,115.29 is: 603,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,019.21 : 1,025,349.16 = 437,115.29 : x
  2. Step 2: Convert to fraction form
    743,019.21/1,025,349.16 = 437,115.29/x
  3. Step 3: Cross multiply
    743,019.21x = 1,025,349.16 × 437,115.29
  4. Step 4: Simplify right side
    743,019.21x = 448,195,789,205.12
  5. Step 5: Solve for x
    x = 448,195,789,205.12/743,019.21
  6. Step 6: Final answer
    x = 603,208.89

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Double scale
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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.