Home / 839,484.24-1,158,454.44-457,502.80

Finding the Fourth Proportional to 839,484.24, 1,158,454.44 and 457,502.80

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Solution

The fourth proportional to 839,484.24, 1,158,454.44 and 457,502.80 is: 631,335.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,484.24 : 1,158,454.44 = 457,502.80 : x
  2. Step 2: Convert to fraction form
    839,484.24/1,158,454.44 = 457,502.80/x
  3. Step 3: Cross multiply
    839,484.24x = 1,158,454.44 × 457,502.80
  4. Step 4: Simplify right side
    839,484.24x = 529,996,149,972.43
  5. Step 5: Solve for x
    x = 529,996,149,972.43/839,484.24
  6. Step 6: Final answer
    x = 631,335.44

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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.