Home / 800,607.40-1,104,836.92-438,032.72

Finding the Fourth Proportional to 800,607.40, 1,104,836.92 and 438,032.72

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Solution

The fourth proportional to 800,607.40, 1,104,836.92 and 438,032.72 is: 604,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,607.40 : 1,104,836.92 = 438,032.72 : x
  2. Step 2: Convert to fraction form
    800,607.40/1,104,836.92 = 438,032.72/x
  3. Step 3: Cross multiply
    800,607.40x = 1,104,836.92 × 438,032.72
  4. Step 4: Simplify right side
    800,607.40x = 483,954,720,128.94
  5. Step 5: Solve for x
    x = 483,954,720,128.94/800,607.40
  6. Step 6: Final answer
    x = 604,484.45

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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.