Home / 953,775.48-1,430,884.78-279,829.56

Finding the Fourth Proportional to 953,775.48, 1,430,884.78 and 279,829.56

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Solution

The fourth proportional to 953,775.48, 1,430,884.78 and 279,829.56 is: 419,809.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,775.48 : 1,430,884.78 = 279,829.56 : x
  2. Step 2: Convert to fraction form
    953,775.48/1,430,884.78 = 279,829.56/x
  3. Step 3: Cross multiply
    953,775.48x = 1,430,884.78 × 279,829.56
  4. Step 4: Simplify right side
    953,775.48x = 400,403,858,398.10
  5. Step 5: Solve for x
    x = 400,403,858,398.10/953,775.48
  6. Step 6: Final answer
    x = 419,809.34

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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.