Home / 841,820.88-1,161,693.72-459,849.36

Finding the Fourth Proportional to 841,820.88, 1,161,693.72 and 459,849.36

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Solution

The fourth proportional to 841,820.88, 1,161,693.72 and 459,849.36 is: 634,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,820.88 : 1,161,693.72 = 459,849.36 : x
  2. Step 2: Convert to fraction form
    841,820.88/1,161,693.72 = 459,849.36/x
  3. Step 3: Cross multiply
    841,820.88x = 1,161,693.72 × 459,849.36
  4. Step 4: Simplify right side
    841,820.88x = 534,204,113,658.02
  5. Step 5: Solve for x
    x = 534,204,113,658.02/841,820.88
  6. Step 6: Final answer
    x = 634,581.69

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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.