Home / 709,637.76-1,064,047.60-485,270.01

Finding the Fourth Proportional to 709,637.76, 1,064,047.60 and 485,270.01

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Solution

The fourth proportional to 709,637.76, 1,064,047.60 and 485,270.01 is: 727,625.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,637.76 : 1,064,047.60 = 485,270.01 : x
  2. Step 2: Convert to fraction form
    709,637.76/1,064,047.60 = 485,270.01/x
  3. Step 3: Cross multiply
    709,637.76x = 1,064,047.60 × 485,270.01
  4. Step 4: Simplify right side
    709,637.76x = 516,350,393,774.13
  5. Step 5: Solve for x
    x = 516,350,393,774.13/709,637.76
  6. Step 6: Final answer
    x = 727,625.31

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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.