Home / 855,730.08-1,282,195.20-455,946.72

Finding the Fourth Proportional to 855,730.08, 1,282,195.20 and 455,946.72

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Solution

The fourth proportional to 855,730.08, 1,282,195.20 and 455,946.72 is: 683,174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,730.08 : 1,282,195.20 = 455,946.72 : x
  2. Step 2: Convert to fraction form
    855,730.08/1,282,195.20 = 455,946.72/x
  3. Step 3: Cross multiply
    855,730.08x = 1,282,195.20 × 455,946.72
  4. Step 4: Simplify right side
    855,730.08x = 584,612,695,839.74
  5. Step 5: Solve for x
    x = 584,612,695,839.74/855,730.08
  6. Step 6: Final answer
    x = 683,174.18

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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.