Home / 910,556.72-1,256,586.65-502,656.92

Finding the Fourth Proportional to 910,556.72, 1,256,586.65 and 502,656.92

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Solution

The fourth proportional to 910,556.72, 1,256,586.65 and 502,656.92 is: 693,676.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,556.72 : 1,256,586.65 = 502,656.92 : x
  2. Step 2: Convert to fraction form
    910,556.72/1,256,586.65 = 502,656.92/x
  3. Step 3: Cross multiply
    910,556.72x = 1,256,586.65 × 502,656.92
  4. Step 4: Simplify right side
    910,556.72x = 631,631,966,405.90
  5. Step 5: Solve for x
    x = 631,631,966,405.90/910,556.72
  6. Step 6: Final answer
    x = 693,676.69

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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.