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Finding the Fourth Proportional to 440,094.72, 607,332 and 238,890.72

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Solution

The fourth proportional to 440,094.72, 607,332 and 238,890.72 is: 329,669.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,094.72 : 607,332 = 238,890.72 : x
  2. Step 2: Convert to fraction form
    440,094.72/607,332 = 238,890.72/x
  3. Step 3: Cross multiply
    440,094.72x = 607,332 × 238,890.72
  4. Step 4: Simplify right side
    440,094.72x = 145,085,978,759.04
  5. Step 5: Solve for x
    x = 145,085,978,759.04/440,094.72
  6. Step 6: Final answer
    x = 329,669.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.