Home / 845,447.85-1,166,762.75-463,490.73

Finding the Fourth Proportional to 845,447.85, 1,166,762.75 and 463,490.73

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Solution

The fourth proportional to 845,447.85, 1,166,762.75 and 463,490.73 is: 639,641.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,447.85 : 1,166,762.75 = 463,490.73 : x
  2. Step 2: Convert to fraction form
    845,447.85/1,166,762.75 = 463,490.73/x
  3. Step 3: Cross multiply
    845,447.85x = 1,166,762.75 × 463,490.73
  4. Step 4: Simplify right side
    845,447.85x = 540,783,716,416.85
  5. Step 5: Solve for x
    x = 540,783,716,416.85/845,447.85
  6. Step 6: Final answer
    x = 639,641.72

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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.