Home / 915,009.49-1,372,602.93-283,753.81

Finding the Fourth Proportional to 915,009.49, 1,372,602.93 and 283,753.81

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Solution

The fourth proportional to 915,009.49, 1,372,602.93 and 283,753.81 is: 425,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,009.49 : 1,372,602.93 = 283,753.81 : x
  2. Step 2: Convert to fraction form
    915,009.49/1,372,602.93 = 283,753.81/x
  3. Step 3: Cross multiply
    915,009.49x = 1,372,602.93 × 283,753.81
  4. Step 4: Simplify right side
    915,009.49x = 389,481,311,004.66
  5. Step 5: Solve for x
    x = 389,481,311,004.66/915,009.49
  6. Step 6: Final answer
    x = 425,658.22

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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.