Home / 981,276.90-1,353,963.60-573,299.94

Finding the Fourth Proportional to 981,276.90, 1,353,963.60 and 573,299.94

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Solution

The fourth proportional to 981,276.90, 1,353,963.60 and 573,299.94 is: 791,037.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,276.90 : 1,353,963.60 = 573,299.94 : x
  2. Step 2: Convert to fraction form
    981,276.90/1,353,963.60 = 573,299.94/x
  3. Step 3: Cross multiply
    981,276.90x = 1,353,963.60 × 573,299.94
  4. Step 4: Simplify right side
    981,276.90x = 776,227,250,642.18
  5. Step 5: Solve for x
    x = 776,227,250,642.18/981,276.90
  6. Step 6: Final answer
    x = 791,037.93

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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.