Home / 845,338.98-1,166,612.50-463,381.86

Finding the Fourth Proportional to 845,338.98, 1,166,612.50 and 463,381.86

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Solution

The fourth proportional to 845,338.98, 1,166,612.50 and 463,381.86 is: 639,491.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,338.98 : 1,166,612.50 = 463,381.86 : x
  2. Step 2: Convert to fraction form
    845,338.98/1,166,612.50 = 463,381.86/x
  3. Step 3: Cross multiply
    845,338.98x = 1,166,612.50 × 463,381.86
  4. Step 4: Simplify right side
    845,338.98x = 540,587,070,149.25
  5. Step 5: Solve for x
    x = 540,587,070,149.25/845,338.98
  6. Step 6: Final answer
    x = 639,491.47

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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.