Home / 820,772.16-1,133,136.80-625,648.08

Finding the Fourth Proportional to 820,772.16, 1,133,136.80 and 625,648.08

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Solution

The fourth proportional to 820,772.16, 1,133,136.80 and 625,648.08 is: 863,753.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,772.16 : 1,133,136.80 = 625,648.08 : x
  2. Step 2: Convert to fraction form
    820,772.16/1,133,136.80 = 625,648.08/x
  3. Step 3: Cross multiply
    820,772.16x = 1,133,136.80 × 625,648.08
  4. Step 4: Simplify right side
    820,772.16x = 708,944,863,297.34
  5. Step 5: Solve for x
    x = 708,944,863,297.34/820,772.16
  6. Step 6: Final answer
    x = 863,753.55

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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.