Home / 752,127.48-1,127,130.53-415,319.76

Finding the Fourth Proportional to 752,127.48, 1,127,130.53 and 415,319.76

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Solution

The fourth proportional to 752,127.48, 1,127,130.53 and 415,319.76 is: 622,393.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,127.48 : 1,127,130.53 = 415,319.76 : x
  2. Step 2: Convert to fraction form
    752,127.48/1,127,130.53 = 415,319.76/x
  3. Step 3: Cross multiply
    752,127.48x = 1,127,130.53 × 415,319.76
  4. Step 4: Simplify right side
    752,127.48x = 468,119,579,131.67
  5. Step 5: Solve for x
    x = 468,119,579,131.67/752,127.48
  6. Step 6: Final answer
    x = 622,393.93

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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.