Home / 956,976.48-1,320,615.41-521,411.97

Finding the Fourth Proportional to 956,976.48, 1,320,615.41 and 521,411.97

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Solution

The fourth proportional to 956,976.48, 1,320,615.41 and 521,411.97 is: 719,541.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,976.48 : 1,320,615.41 = 521,411.97 : x
  2. Step 2: Convert to fraction form
    956,976.48/1,320,615.41 = 521,411.97/x
  3. Step 3: Cross multiply
    956,976.48x = 1,320,615.41 × 521,411.97
  4. Step 4: Simplify right side
    956,976.48x = 688,584,679,933.40
  5. Step 5: Solve for x
    x = 688,584,679,933.40/956,976.48
  6. Step 6: Final answer
    x = 719,541.91

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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.