Home / 845,123.40-1,166,243.94-463,143.24

Finding the Fourth Proportional to 845,123.40, 1,166,243.94 and 463,143.24

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Solution

The fourth proportional to 845,123.40, 1,166,243.94 and 463,143.24 is: 639,123.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,123.40 : 1,166,243.94 = 463,143.24 : x
  2. Step 2: Convert to fraction form
    845,123.40/1,166,243.94 = 463,143.24/x
  3. Step 3: Cross multiply
    845,123.40x = 1,166,243.94 × 463,143.24
  4. Step 4: Simplify right side
    845,123.40x = 540,137,997,001.97
  5. Step 5: Solve for x
    x = 540,137,997,001.97/845,123.40
  6. Step 6: Final answer
    x = 639,123.23

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Double scale
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1.5x scale

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.