Home / 698,310.28-1,045,513.02-377,311.96

Finding the Fourth Proportional to 698,310.28, 1,045,513.02 and 377,311.96

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Solution

The fourth proportional to 698,310.28, 1,045,513.02 and 377,311.96 is: 564,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,310.28 : 1,045,513.02 = 377,311.96 : x
  2. Step 2: Convert to fraction form
    698,310.28/1,045,513.02 = 377,311.96/x
  3. Step 3: Cross multiply
    698,310.28x = 1,045,513.02 × 377,311.96
  4. Step 4: Simplify right side
    698,310.28x = 394,484,566,781.72
  5. Step 5: Solve for x
    x = 394,484,566,781.72/698,310.28
  6. Step 6: Final answer
    x = 564,913.02

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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.