Home / 981,264.72-1,353,946.85-573,287.77

Finding the Fourth Proportional to 981,264.72, 1,353,946.85 and 573,287.77

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Solution

The fourth proportional to 981,264.72, 1,353,946.85 and 573,287.77 is: 791,021.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,264.72 : 1,353,946.85 = 573,287.77 : x
  2. Step 2: Convert to fraction form
    981,264.72/1,353,946.85 = 573,287.77/x
  3. Step 3: Cross multiply
    981,264.72x = 1,353,946.85 × 573,287.77
  4. Step 4: Simplify right side
    981,264.72x = 776,201,167,468.59
  5. Step 5: Solve for x
    x = 776,201,167,468.59/981,264.72
  6. Step 6: Final answer
    x = 791,021.17

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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.