Home / 891,978.48-1,230,528.24-529,417.62

Finding the Fourth Proportional to 891,978.48, 1,230,528.24 and 529,417.62

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Solution

The fourth proportional to 891,978.48, 1,230,528.24 and 529,417.62 is: 730,357.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,978.48 : 1,230,528.24 = 529,417.62 : x
  2. Step 2: Convert to fraction form
    891,978.48/1,230,528.24 = 529,417.62/x
  3. Step 3: Cross multiply
    891,978.48x = 1,230,528.24 × 529,417.62
  4. Step 4: Simplify right side
    891,978.48x = 651,463,332,163.59
  5. Step 5: Solve for x
    x = 651,463,332,163.59/891,978.48
  6. Step 6: Final answer
    x = 730,357.68

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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.