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Finding the Fourth Proportional to 934,673, 1,289,637.54 and 552,715.88

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Solution

The fourth proportional to 934,673, 1,289,637.54 and 552,715.88 is: 762,623.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,673 : 1,289,637.54 = 552,715.88 : x
  2. Step 2: Convert to fraction form
    934,673/1,289,637.54 = 552,715.88/x
  3. Step 3: Cross multiply
    934,673x = 1,289,637.54 × 552,715.88
  4. Step 4: Simplify right side
    934,673x = 712,803,147,802.14
  5. Step 5: Solve for x
    x = 712,803,147,802.14/934,673
  6. Step 6: Final answer
    x = 762,623.02

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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.