Home / 767,007.21-1,058,505.98-427,477.89

Finding the Fourth Proportional to 767,007.21, 1,058,505.98 and 427,477.89

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Solution

The fourth proportional to 767,007.21, 1,058,505.98 and 427,477.89 is: 589,939.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,007.21 : 1,058,505.98 = 427,477.89 : x
  2. Step 2: Convert to fraction form
    767,007.21/1,058,505.98 = 427,477.89/x
  3. Step 3: Cross multiply
    767,007.21x = 1,058,505.98 × 427,477.89
  4. Step 4: Simplify right side
    767,007.21x = 452,487,902,882.78
  5. Step 5: Solve for x
    x = 452,487,902,882.78/767,007.21
  6. Step 6: Final answer
    x = 589,939.57

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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.