Home / 820,619.33-1,133,054.54-530,402.61

Finding the Fourth Proportional to 820,619.33, 1,133,054.54 and 530,402.61

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Solution

The fourth proportional to 820,619.33, 1,133,054.54 and 530,402.61 is: 732,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,619.33 : 1,133,054.54 = 530,402.61 : x
  2. Step 2: Convert to fraction form
    820,619.33/1,133,054.54 = 530,402.61/x
  3. Step 3: Cross multiply
    820,619.33x = 1,133,054.54 × 530,402.61
  4. Step 4: Simplify right side
    820,619.33x = 600,975,085,288.35
  5. Step 5: Solve for x
    x = 600,975,085,288.35/820,619.33
  6. Step 6: Final answer
    x = 732,343.32

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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.