Home / 839,462.06-1,158,423.84-457,480.64

Finding the Fourth Proportional to 839,462.06, 1,158,423.84 and 457,480.64

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Solution

The fourth proportional to 839,462.06, 1,158,423.84 and 457,480.64 is: 631,304.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,462.06 : 1,158,423.84 = 457,480.64 : x
  2. Step 2: Convert to fraction form
    839,462.06/1,158,423.84 = 457,480.64/x
  3. Step 3: Cross multiply
    839,462.06x = 1,158,423.84 × 457,480.64
  4. Step 4: Simplify right side
    839,462.06x = 529,956,479,714.46
  5. Step 5: Solve for x
    x = 529,956,479,714.46/839,462.06
  6. Step 6: Final answer
    x = 631,304.86

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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.