Home / 661,502.10-992,771.55-306,560.10

Finding the Fourth Proportional to 661,502.10, 992,771.55 and 306,560.10

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Solution

The fourth proportional to 661,502.10, 992,771.55 and 306,560.10 is: 460,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,502.10 : 992,771.55 = 306,560.10 : x
  2. Step 2: Convert to fraction form
    661,502.10/992,771.55 = 306,560.10/x
  3. Step 3: Cross multiply
    661,502.10x = 992,771.55 × 306,560.10
  4. Step 4: Simplify right side
    661,502.10x = 304,344,145,645.16
  5. Step 5: Solve for x
    x = 304,344,145,645.16/661,502.10
  6. Step 6: Final answer
    x = 460,080.39

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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.