Home / 910,856.72-1,256,975.88-502,983.92

Finding the Fourth Proportional to 910,856.72, 1,256,975.88 and 502,983.92

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Solution

The fourth proportional to 910,856.72, 1,256,975.88 and 502,983.92 is: 694,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,856.72 : 1,256,975.88 = 502,983.92 : x
  2. Step 2: Convert to fraction form
    910,856.72/1,256,975.88 = 502,983.92/x
  3. Step 3: Cross multiply
    910,856.72x = 1,256,975.88 × 502,983.92
  4. Step 4: Simplify right side
    910,856.72x = 632,238,655,467.85
  5. Step 5: Solve for x
    x = 632,238,655,467.85/910,856.72
  6. Step 6: Final answer
    x = 694,114.28

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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.