Home / 678,502.16-1,018,219.76-235,270.16

Finding the Fourth Proportional to 678,502.16, 1,018,219.76 and 235,270.16

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Solution

The fourth proportional to 678,502.16, 1,018,219.76 and 235,270.16 is: 353,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,502.16 : 1,018,219.76 = 235,270.16 : x
  2. Step 2: Convert to fraction form
    678,502.16/1,018,219.76 = 235,270.16/x
  3. Step 3: Cross multiply
    678,502.16x = 1,018,219.76 × 235,270.16
  4. Step 4: Simplify right side
    678,502.16x = 239,556,725,850.36
  5. Step 5: Solve for x
    x = 239,556,725,850.36/678,502.16
  6. Step 6: Final answer
    x = 353,067.01

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1.5x scale

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.