Home / 823,472.72-1,136,133.32-460,838.96

Finding the Fourth Proportional to 823,472.72, 1,136,133.32 and 460,838.96

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Solution

The fourth proportional to 823,472.72, 1,136,133.32 and 460,838.96 is: 635,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,472.72 : 1,136,133.32 = 460,838.96 : x
  2. Step 2: Convert to fraction form
    823,472.72/1,136,133.32 = 460,838.96/x
  3. Step 3: Cross multiply
    823,472.72x = 1,136,133.32 × 460,838.96
  4. Step 4: Simplify right side
    823,472.72x = 523,574,498,146.29
  5. Step 5: Solve for x
    x = 523,574,498,146.29/823,472.72
  6. Step 6: Final answer
    x = 635,812.80

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1.5x scale

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.