Home / 801,893.81-1,106,613.07-479,603.90

Finding the Fourth Proportional to 801,893.81, 1,106,613.07 and 479,603.90

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Solution

The fourth proportional to 801,893.81, 1,106,613.07 and 479,603.90 is: 661,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,893.81 : 1,106,613.07 = 479,603.90 : x
  2. Step 2: Convert to fraction form
    801,893.81/1,106,613.07 = 479,603.90/x
  3. Step 3: Cross multiply
    801,893.81x = 1,106,613.07 × 479,603.90
  4. Step 4: Simplify right side
    801,893.81x = 530,735,937,430.90
  5. Step 5: Solve for x
    x = 530,735,937,430.90/801,893.81
  6. Step 6: Final answer
    x = 661,853.15

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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.