Home / 962,415.40-1,443,752.70-331,522.60

Finding the Fourth Proportional to 962,415.40, 1,443,752.70 and 331,522.60

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Solution

The fourth proportional to 962,415.40, 1,443,752.70 and 331,522.60 is: 497,328.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,415.40 : 1,443,752.70 = 331,522.60 : x
  2. Step 2: Convert to fraction form
    962,415.40/1,443,752.70 = 331,522.60/x
  3. Step 3: Cross multiply
    962,415.40x = 1,443,752.70 × 331,522.60
  4. Step 4: Simplify right side
    962,415.40x = 478,636,648,861.02
  5. Step 5: Solve for x
    x = 478,636,648,861.02/962,415.40
  6. Step 6: Final answer
    x = 497,328.54

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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.