Home / 849,670.56-1,172,408.18-487,027.69

Finding the Fourth Proportional to 849,670.56, 1,172,408.18 and 487,027.69

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Solution

The fourth proportional to 849,670.56, 1,172,408.18 and 487,027.69 is: 672,019.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,670.56 : 1,172,408.18 = 487,027.69 : x
  2. Step 2: Convert to fraction form
    849,670.56/1,172,408.18 = 487,027.69/x
  3. Step 3: Cross multiply
    849,670.56x = 1,172,408.18 × 487,027.69
  4. Step 4: Simplify right side
    849,670.56x = 570,995,242,276.35
  5. Step 5: Solve for x
    x = 570,995,242,276.35/849,670.56
  6. Step 6: Final answer
    x = 672,019.57

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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.