Home / 758,484.35-1,136,431.39-417,213.30

Finding the Fourth Proportional to 758,484.35, 1,136,431.39 and 417,213.30

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Solution

The fourth proportional to 758,484.35, 1,136,431.39 and 417,213.30 is: 625,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,484.35 : 1,136,431.39 = 417,213.30 : x
  2. Step 2: Convert to fraction form
    758,484.35/1,136,431.39 = 417,213.30/x
  3. Step 3: Cross multiply
    758,484.35x = 1,136,431.39 × 417,213.30
  4. Step 4: Simplify right side
    758,484.35x = 474,134,290,445.49
  5. Step 5: Solve for x
    x = 474,134,290,445.49/758,484.35
  6. Step 6: Final answer
    x = 625,107.55

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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.