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Finding the Fourth Proportional to 800,672.16, 1,104,927 and 438,098.40

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Solution

The fourth proportional to 800,672.16, 1,104,927 and 438,098.40 is: 604,575.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,672.16 : 1,104,927 = 438,098.40 : x
  2. Step 2: Convert to fraction form
    800,672.16/1,104,927 = 438,098.40/x
  3. Step 3: Cross multiply
    800,672.16x = 1,104,927 × 438,098.40
  4. Step 4: Simplify right side
    800,672.16x = 484,066,750,816.80
  5. Step 5: Solve for x
    x = 484,066,750,816.80/800,672.16
  6. Step 6: Final answer
    x = 604,575.47

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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.