Home / 518,899.09-716,098.52-301,091.35

Finding the Fourth Proportional to 518,899.09, 716,098.52 and 301,091.35

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Solution

The fourth proportional to 518,899.09, 716,098.52 and 301,091.35 is: 415,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,899.09 : 716,098.52 = 301,091.35 : x
  2. Step 2: Convert to fraction form
    518,899.09/716,098.52 = 301,091.35/x
  3. Step 3: Cross multiply
    518,899.09x = 716,098.52 × 301,091.35
  4. Step 4: Simplify right side
    518,899.09x = 215,611,072,439.00
  5. Step 5: Solve for x
    x = 215,611,072,439.00/518,899.09
  6. Step 6: Final answer
    x = 415,516.38

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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.