Home / 668,350.35-1,002,525.53-384,915.15

Finding the Fourth Proportional to 668,350.35, 1,002,525.53 and 384,915.15

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Solution

The fourth proportional to 668,350.35, 1,002,525.53 and 384,915.15 is: 577,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,350.35 : 1,002,525.53 = 384,915.15 : x
  2. Step 2: Convert to fraction form
    668,350.35/1,002,525.53 = 384,915.15/x
  3. Step 3: Cross multiply
    668,350.35x = 1,002,525.53 × 384,915.15
  4. Step 4: Simplify right side
    668,350.35x = 385,887,262,834.20
  5. Step 5: Solve for x
    x = 385,887,262,834.20/668,350.35
  6. Step 6: Final answer
    x = 577,372.73

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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.