Home / 820,962.54-1,230,606-465,225.12

Finding the Fourth Proportional to 820,962.54, 1,230,606 and 465,225.12

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Solution

The fourth proportional to 820,962.54, 1,230,606 and 465,225.12 is: 697,362.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,962.54 : 1,230,606 = 465,225.12 : x
  2. Step 2: Convert to fraction form
    820,962.54/1,230,606 = 465,225.12/x
  3. Step 3: Cross multiply
    820,962.54x = 1,230,606 × 465,225.12
  4. Step 4: Simplify right side
    820,962.54x = 572,508,824,022.72
  5. Step 5: Solve for x
    x = 572,508,824,022.72/820,962.54
  6. Step 6: Final answer
    x = 697,362.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.