Home / 740,167.56-1,021,432.76-400,635.81

Finding the Fourth Proportional to 740,167.56, 1,021,432.76 and 400,635.81

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Solution

The fourth proportional to 740,167.56, 1,021,432.76 and 400,635.81 is: 552,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,167.56 : 1,021,432.76 = 400,635.81 : x
  2. Step 2: Convert to fraction form
    740,167.56/1,021,432.76 = 400,635.81/x
  3. Step 3: Cross multiply
    740,167.56x = 1,021,432.76 × 400,635.81
  4. Step 4: Simplify right side
    740,167.56x = 409,222,540,662.34
  5. Step 5: Solve for x
    x = 409,222,540,662.34/740,167.56
  6. Step 6: Final answer
    x = 552,878.24

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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.