Home / 767,045.88-1,058,559.54-427,516.60

Finding the Fourth Proportional to 767,045.88, 1,058,559.54 and 427,516.60

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Solution

The fourth proportional to 767,045.88, 1,058,559.54 and 427,516.60 is: 589,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,045.88 : 1,058,559.54 = 427,516.60 : x
  2. Step 2: Convert to fraction form
    767,045.88/1,058,559.54 = 427,516.60/x
  3. Step 3: Cross multiply
    767,045.88x = 1,058,559.54 × 427,516.60
  4. Step 4: Simplify right side
    767,045.88x = 452,551,775,438.36
  5. Step 5: Solve for x
    x = 452,551,775,438.36/767,045.88
  6. Step 6: Final answer
    x = 589,993.10

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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.