Home / 820,618.33-1,133,053.16-530,401.61

Finding the Fourth Proportional to 820,618.33, 1,133,053.16 and 530,401.61

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Solution

The fourth proportional to 820,618.33, 1,133,053.16 and 530,401.61 is: 732,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,618.33 : 1,133,053.16 = 530,401.61 : x
  2. Step 2: Convert to fraction form
    820,618.33/1,133,053.16 = 530,401.61/x
  3. Step 3: Cross multiply
    820,618.33x = 1,133,053.16 × 530,401.61
  4. Step 4: Simplify right side
    820,618.33x = 600,973,211,962.31
  5. Step 5: Solve for x
    x = 600,973,211,962.31/820,618.33
  6. Step 6: Final answer
    x = 732,341.93

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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.