Home / 767,031.82-1,058,540.16-427,502.50

Finding the Fourth Proportional to 767,031.82, 1,058,540.16 and 427,502.50

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Solution

The fourth proportional to 767,031.82, 1,058,540.16 and 427,502.50 is: 589,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,031.82 : 1,058,540.16 = 427,502.50 : x
  2. Step 2: Convert to fraction form
    767,031.82/1,058,540.16 = 427,502.50/x
  3. Step 3: Cross multiply
    767,031.82x = 1,058,540.16 × 427,502.50
  4. Step 4: Simplify right side
    767,031.82x = 452,528,564,750.40
  5. Step 5: Solve for x
    x = 452,528,564,750.40/767,031.82
  6. Step 6: Final answer
    x = 589,973.65

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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.