Home / 767,007.67-1,058,506.63-427,478.35

Finding the Fourth Proportional to 767,007.67, 1,058,506.63 and 427,478.35

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Solution

The fourth proportional to 767,007.67, 1,058,506.63 and 427,478.35 is: 589,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,007.67 : 1,058,506.63 = 427,478.35 : x
  2. Step 2: Convert to fraction form
    767,007.67/1,058,506.63 = 427,478.35/x
  3. Step 3: Cross multiply
    767,007.67x = 1,058,506.63 × 427,478.35
  4. Step 4: Simplify right side
    767,007.67x = 452,488,667,656.46
  5. Step 5: Solve for x
    x = 452,488,667,656.46/767,007.67
  6. Step 6: Final answer
    x = 589,940.21

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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.