Home / 581,576.56-802,565.20-355,222.08

Finding the Fourth Proportional to 581,576.56, 802,565.20 and 355,222.08

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Solution

The fourth proportional to 581,576.56, 802,565.20 and 355,222.08 is: 490,200.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,576.56 : 802,565.20 = 355,222.08 : x
  2. Step 2: Convert to fraction form
    581,576.56/802,565.20 = 355,222.08/x
  3. Step 3: Cross multiply
    581,576.56x = 802,565.20 × 355,222.08
  4. Step 4: Simplify right side
    581,576.56x = 285,088,879,679.62
  5. Step 5: Solve for x
    x = 285,088,879,679.62/581,576.56
  6. Step 6: Final answer
    x = 490,200.09

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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.