Home / 556,730.04-835,514.90-407,355.72

Finding the Fourth Proportional to 556,730.04, 835,514.90 and 407,355.72

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Solution

The fourth proportional to 556,730.04, 835,514.90 and 407,355.72 is: 611,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,730.04 : 835,514.90 = 407,355.72 : x
  2. Step 2: Convert to fraction form
    556,730.04/835,514.90 = 407,355.72/x
  3. Step 3: Cross multiply
    556,730.04x = 835,514.90 × 407,355.72
  4. Step 4: Simplify right side
    556,730.04x = 340,351,770,017.85
  5. Step 5: Solve for x
    x = 340,351,770,017.85/556,730.04
  6. Step 6: Final answer
    x = 611,340.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.