Home / 683,459.52-1,025,408.64-328,499.28

Finding the Fourth Proportional to 683,459.52, 1,025,408.64 and 328,499.28

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Solution

The fourth proportional to 683,459.52, 1,025,408.64 and 328,499.28 is: 492,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,459.52 : 1,025,408.64 = 328,499.28 : x
  2. Step 2: Convert to fraction form
    683,459.52/1,025,408.64 = 328,499.28/x
  3. Step 3: Cross multiply
    683,459.52x = 1,025,408.64 × 328,499.28
  4. Step 4: Simplify right side
    683,459.52x = 336,845,999,945.78
  5. Step 5: Solve for x
    x = 336,845,999,945.78/683,459.52
  6. Step 6: Final answer
    x = 492,854.35

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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.