Home / 426,044.36-587,521.22-330,516.20

Finding the Fourth Proportional to 426,044.36, 587,521.22 and 330,516.20

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Solution

The fourth proportional to 426,044.36, 587,521.22 and 330,516.20 is: 455,786.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,044.36 : 587,521.22 = 330,516.20 : x
  2. Step 2: Convert to fraction form
    426,044.36/587,521.22 = 330,516.20/x
  3. Step 3: Cross multiply
    426,044.36x = 587,521.22 × 330,516.20
  4. Step 4: Simplify right side
    426,044.36x = 194,185,281,053.76
  5. Step 5: Solve for x
    x = 194,185,281,053.76/426,044.36
  6. Step 6: Final answer
    x = 455,786.53

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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.