Home / 908,820.48-1,254,227.04-500,921.76

Finding the Fourth Proportional to 908,820.48, 1,254,227.04 and 500,921.76

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Solution

The fourth proportional to 908,820.48, 1,254,227.04 and 500,921.76 is: 691,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,820.48 : 1,254,227.04 = 500,921.76 : x
  2. Step 2: Convert to fraction form
    908,820.48/1,254,227.04 = 500,921.76/x
  3. Step 3: Cross multiply
    908,820.48x = 1,254,227.04 × 500,921.76
  4. Step 4: Simplify right side
    908,820.48x = 628,269,616,316.39
  5. Step 5: Solve for x
    x = 628,269,616,316.39/908,820.48
  6. Step 6: Final answer
    x = 691,302.22

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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.