Home / 755,058.48-1,041,959.76-428,430.96

Finding the Fourth Proportional to 755,058.48, 1,041,959.76 and 428,430.96

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Solution

The fourth proportional to 755,058.48, 1,041,959.76 and 428,430.96 is: 591,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,058.48 : 1,041,959.76 = 428,430.96 : x
  2. Step 2: Convert to fraction form
    755,058.48/1,041,959.76 = 428,430.96/x
  3. Step 3: Cross multiply
    755,058.48x = 1,041,959.76 × 428,430.96
  4. Step 4: Simplify right side
    755,058.48x = 446,407,820,258.17
  5. Step 5: Solve for x
    x = 446,407,820,258.17/755,058.48
  6. Step 6: Final answer
    x = 591,222.84

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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.