Home / 607,029.90-911,095.65-307,718.70

Finding the Fourth Proportional to 607,029.90, 911,095.65 and 307,718.70

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Solution

The fourth proportional to 607,029.90, 911,095.65 and 307,718.70 is: 461,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,029.90 : 911,095.65 = 307,718.70 : x
  2. Step 2: Convert to fraction form
    607,029.90/911,095.65 = 307,718.70/x
  3. Step 3: Cross multiply
    607,029.90x = 911,095.65 × 307,718.70
  4. Step 4: Simplify right side
    607,029.90x = 280,361,168,993.66
  5. Step 5: Solve for x
    x = 280,361,168,993.66/607,029.90
  6. Step 6: Final answer
    x = 461,857.26

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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.