Home / 890,242.62-1,334,430.81-328,919.10

Finding the Fourth Proportional to 890,242.62, 1,334,430.81 and 328,919.10

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Solution

The fourth proportional to 890,242.62, 1,334,430.81 and 328,919.10 is: 493,033.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,242.62 : 1,334,430.81 = 328,919.10 : x
  2. Step 2: Convert to fraction form
    890,242.62/1,334,430.81 = 328,919.10/x
  3. Step 3: Cross multiply
    890,242.62x = 1,334,430.81 × 328,919.10
  4. Step 4: Simplify right side
    890,242.62x = 438,919,781,037.47
  5. Step 5: Solve for x
    x = 438,919,781,037.47/890,242.62
  6. Step 6: Final answer
    x = 493,033.89

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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.