Home / 800,448.56-1,104,645.38-437,864.12

Finding the Fourth Proportional to 800,448.56, 1,104,645.38 and 437,864.12

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Solution

The fourth proportional to 800,448.56, 1,104,645.38 and 437,864.12 is: 604,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,448.56 : 1,104,645.38 = 437,864.12 : x
  2. Step 2: Convert to fraction form
    800,448.56/1,104,645.38 = 437,864.12/x
  3. Step 3: Cross multiply
    800,448.56x = 1,104,645.38 × 437,864.12
  4. Step 4: Simplify right side
    800,448.56x = 483,684,577,225.77
  5. Step 5: Solve for x
    x = 483,684,577,225.77/800,448.56
  6. Step 6: Final answer
    x = 604,266.91

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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.