Home / 931,662.81-1,285,534.26-523,707.93

Finding the Fourth Proportional to 931,662.81, 1,285,534.26 and 523,707.93

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Solution

The fourth proportional to 931,662.81, 1,285,534.26 and 523,707.93 is: 722,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,662.81 : 1,285,534.26 = 523,707.93 : x
  2. Step 2: Convert to fraction form
    931,662.81/1,285,534.26 = 523,707.93/x
  3. Step 3: Cross multiply
    931,662.81x = 1,285,534.26 × 523,707.93
  4. Step 4: Simplify right side
    931,662.81x = 673,244,486,248.68
  5. Step 5: Solve for x
    x = 673,244,486,248.68/931,662.81
  6. Step 6: Final answer
    x = 722,626.77

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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.