Home / 947,502.72-1,307,514.96-517,797.36

Finding the Fourth Proportional to 947,502.72, 1,307,514.96 and 517,797.36

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Solution

The fourth proportional to 947,502.72, 1,307,514.96 and 517,797.36 is: 714,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,502.72 : 1,307,514.96 = 517,797.36 : x
  2. Step 2: Convert to fraction form
    947,502.72/1,307,514.96 = 517,797.36/x
  3. Step 3: Cross multiply
    947,502.72x = 1,307,514.96 × 517,797.36
  4. Step 4: Simplify right side
    947,502.72x = 677,027,794,448.51
  5. Step 5: Solve for x
    x = 677,027,794,448.51/947,502.72
  6. Step 6: Final answer
    x = 714,539.16

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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.