Home / 718,098.48-990,975.96-416,467.44

Finding the Fourth Proportional to 718,098.48, 990,975.96 and 416,467.44

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Solution

The fourth proportional to 718,098.48, 990,975.96 and 416,467.44 is: 574,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,098.48 : 990,975.96 = 416,467.44 : x
  2. Step 2: Convert to fraction form
    718,098.48/990,975.96 = 416,467.44/x
  3. Step 3: Cross multiply
    718,098.48x = 990,975.96 × 416,467.44
  4. Step 4: Simplify right side
    718,098.48x = 412,709,221,162.74
  5. Step 5: Solve for x
    x = 412,709,221,162.74/718,098.48
  6. Step 6: Final answer
    x = 574,725.10

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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.