Home / 740,313.48-1,021,591.26-418,089

Finding the Fourth Proportional to 740,313.48, 1,021,591.26 and 418,089

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Solution

The fourth proportional to 740,313.48, 1,021,591.26 and 418,089 is: 576,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,313.48 : 1,021,591.26 = 418,089 : x
  2. Step 2: Convert to fraction form
    740,313.48/1,021,591.26 = 418,089/x
  3. Step 3: Cross multiply
    740,313.48x = 1,021,591.26 × 418,089
  4. Step 4: Simplify right side
    740,313.48x = 427,116,068,302.14
  5. Step 5: Solve for x
    x = 427,116,068,302.14/740,313.48
  6. Step 6: Final answer
    x = 576,939.47

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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.