Home / 843,421.38-1,163,938.29-461,456.37

Finding the Fourth Proportional to 843,421.38, 1,163,938.29 and 461,456.37

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Solution

The fourth proportional to 843,421.38, 1,163,938.29 and 461,456.37 is: 636,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,421.38 : 1,163,938.29 = 461,456.37 : x
  2. Step 2: Convert to fraction form
    843,421.38/1,163,938.29 = 461,456.37/x
  3. Step 3: Cross multiply
    843,421.38x = 1,163,938.29 × 461,456.37
  4. Step 4: Simplify right side
    843,421.38x = 537,106,738,207.41
  5. Step 5: Solve for x
    x = 537,106,738,207.41/843,421.38
  6. Step 6: Final answer
    x = 636,818.97

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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.