Home / 665,076.90-997,615.35-384,266.10

Finding the Fourth Proportional to 665,076.90, 997,615.35 and 384,266.10

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Solution

The fourth proportional to 665,076.90, 997,615.35 and 384,266.10 is: 576,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,076.90 : 997,615.35 = 384,266.10 : x
  2. Step 2: Convert to fraction form
    665,076.90/997,615.35 = 384,266.10/x
  3. Step 3: Cross multiply
    665,076.90x = 997,615.35 × 384,266.10
  4. Step 4: Simplify right side
    665,076.90x = 383,349,759,844.64
  5. Step 5: Solve for x
    x = 383,349,759,844.64/665,076.90
  6. Step 6: Final answer
    x = 576,399.15

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Similar ratio
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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.