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Finding the Fourth Proportional to 655,360.61, 983,423.03 and 276,258.13

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Solution

The fourth proportional to 655,360.61, 983,423.03 and 276,258.13 is: 414,548.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,360.61 : 983,423.03 = 276,258.13 : x
  2. Step 2: Convert to fraction form
    655,360.61/983,423.03 = 276,258.13/x
  3. Step 3: Cross multiply
    655,360.61x = 983,423.03 × 276,258.13
  4. Step 4: Simplify right side
    655,360.61x = 271,678,603,426.89
  5. Step 5: Solve for x
    x = 271,678,603,426.89/655,360.61
  6. Step 6: Final answer
    x = 414,548.27

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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.