Home / 839,244.98-1,158,143.49-457,274.90

Finding the Fourth Proportional to 839,244.98, 1,158,143.49 and 457,274.90

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Solution

The fourth proportional to 839,244.98, 1,158,143.49 and 457,274.90 is: 631,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,244.98 : 1,158,143.49 = 457,274.90 : x
  2. Step 2: Convert to fraction form
    839,244.98/1,158,143.49 = 457,274.90/x
  3. Step 3: Cross multiply
    839,244.98x = 1,158,143.49 × 457,274.90
  4. Step 4: Simplify right side
    839,244.98x = 529,589,948,575.40
  5. Step 5: Solve for x
    x = 529,589,948,575.40/839,244.98
  6. Step 6: Final answer
    x = 631,031.42

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Double scale
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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.