Home / 903,720.48-1,247,167.44-545,955.36

Finding the Fourth Proportional to 903,720.48, 1,247,167.44 and 545,955.36

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Solution

The fourth proportional to 903,720.48, 1,247,167.44 and 545,955.36 is: 753,438.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,720.48 : 1,247,167.44 = 545,955.36 : x
  2. Step 2: Convert to fraction form
    903,720.48/1,247,167.44 = 545,955.36/x
  3. Step 3: Cross multiply
    903,720.48x = 1,247,167.44 × 545,955.36
  4. Step 4: Simplify right side
    903,720.48x = 680,897,748,685.48
  5. Step 5: Solve for x
    x = 680,897,748,685.48/903,720.48
  6. Step 6: Final answer
    x = 753,438.44

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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.