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Finding the Fourth Proportional to 507,750.44, 700,603.61 and 326,420.78

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Solution

The fourth proportional to 507,750.44, 700,603.61 and 326,420.78 is: 450,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,750.44 : 700,603.61 = 326,420.78 : x
  2. Step 2: Convert to fraction form
    507,750.44/700,603.61 = 326,420.78/x
  3. Step 3: Cross multiply
    507,750.44x = 700,603.61 × 326,420.78
  4. Step 4: Simplify right side
    507,750.44x = 228,691,571,711.89
  5. Step 5: Solve for x
    x = 228,691,571,711.89/507,750.44
  6. Step 6: Final answer
    x = 450,401.53

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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.