Home / 966,415.89-1,333,617.42-536,723.70

Finding the Fourth Proportional to 966,415.89, 1,333,617.42 and 536,723.70

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Solution

The fourth proportional to 966,415.89, 1,333,617.42 and 536,723.70 is: 740,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,415.89 : 1,333,617.42 = 536,723.70 : x
  2. Step 2: Convert to fraction form
    966,415.89/1,333,617.42 = 536,723.70/x
  3. Step 3: Cross multiply
    966,415.89x = 1,333,617.42 × 536,723.70
  4. Step 4: Simplify right side
    966,415.89x = 715,784,076,046.85
  5. Step 5: Solve for x
    x = 715,784,076,046.85/966,415.89
  6. Step 6: Final answer
    x = 740,658.43

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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.