Home / 740,090.43-1,021,317.53-417,793.59

Finding the Fourth Proportional to 740,090.43, 1,021,317.53 and 417,793.59

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Solution

The fourth proportional to 740,090.43, 1,021,317.53 and 417,793.59 is: 576,551.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,090.43 : 1,021,317.53 = 417,793.59 : x
  2. Step 2: Convert to fraction form
    740,090.43/1,021,317.53 = 417,793.59/x
  3. Step 3: Cross multiply
    740,090.43x = 1,021,317.53 × 417,793.59
  4. Step 4: Simplify right side
    740,090.43x = 426,699,915,299.67
  5. Step 5: Solve for x
    x = 426,699,915,299.67/740,090.43
  6. Step 6: Final answer
    x = 576,551.05

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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.