Home / 750,040.13-1,035,047.35-405,868.50

Finding the Fourth Proportional to 750,040.13, 1,035,047.35 and 405,868.50

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Solution

The fourth proportional to 750,040.13, 1,035,047.35 and 405,868.50 is: 560,094.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,040.13 : 1,035,047.35 = 405,868.50 : x
  2. Step 2: Convert to fraction form
    750,040.13/1,035,047.35 = 405,868.50/x
  3. Step 3: Cross multiply
    750,040.13x = 1,035,047.35 × 405,868.50
  4. Step 4: Simplify right side
    750,040.13x = 420,093,115,373.48
  5. Step 5: Solve for x
    x = 420,093,115,373.48/750,040.13
  6. Step 6: Final answer
    x = 560,094.19

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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.