Home / 744,037.27-1,115,788.29-257,587.32

Finding the Fourth Proportional to 744,037.27, 1,115,788.29 and 257,587.32

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Solution

The fourth proportional to 744,037.27, 1,115,788.29 and 257,587.32 is: 386,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,037.27 : 1,115,788.29 = 257,587.32 : x
  2. Step 2: Convert to fraction form
    744,037.27/1,115,788.29 = 257,587.32/x
  3. Step 3: Cross multiply
    744,037.27x = 1,115,788.29 × 257,587.32
  4. Step 4: Simplify right side
    744,037.27x = 287,412,920,458.64
  5. Step 5: Solve for x
    x = 287,412,920,458.64/744,037.27
  6. Step 6: Final answer
    x = 386,288.34

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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.