Home / 727,483.56-1,003,901.28-405,176.27

Finding the Fourth Proportional to 727,483.56, 1,003,901.28 and 405,176.27

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Solution

The fourth proportional to 727,483.56, 1,003,901.28 and 405,176.27 is: 559,128.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,483.56 : 1,003,901.28 = 405,176.27 : x
  2. Step 2: Convert to fraction form
    727,483.56/1,003,901.28 = 405,176.27/x
  3. Step 3: Cross multiply
    727,483.56x = 1,003,901.28 × 405,176.27
  4. Step 4: Simplify right side
    727,483.56x = 406,756,971,059.12
  5. Step 5: Solve for x
    x = 406,756,971,059.12/727,483.56
  6. Step 6: Final answer
    x = 559,128.75

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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.