Home / 705,750.74-1,058,031.03-306,090.50

Finding the Fourth Proportional to 705,750.74, 1,058,031.03 and 306,090.50

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Solution

The fourth proportional to 705,750.74, 1,058,031.03 and 306,090.50 is: 458,877.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,750.74 : 1,058,031.03 = 306,090.50 : x
  2. Step 2: Convert to fraction form
    705,750.74/1,058,031.03 = 306,090.50/x
  3. Step 3: Cross multiply
    705,750.74x = 1,058,031.03 × 306,090.50
  4. Step 4: Simplify right side
    705,750.74x = 323,853,246,988.22
  5. Step 5: Solve for x
    x = 323,853,246,988.22/705,750.74
  6. Step 6: Final answer
    x = 458,877.66

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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.