Home / 910,700.30-1,256,760.54-502,827.56

Finding the Fourth Proportional to 910,700.30, 1,256,760.54 and 502,827.56

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Solution

The fourth proportional to 910,700.30, 1,256,760.54 and 502,827.56 is: 693,898.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,700.30 : 1,256,760.54 = 502,827.56 : x
  2. Step 2: Convert to fraction form
    910,700.30/1,256,760.54 = 502,827.56/x
  3. Step 3: Cross multiply
    910,700.30x = 1,256,760.54 × 502,827.56
  4. Step 4: Simplify right side
    910,700.30x = 631,933,835,832.48
  5. Step 5: Solve for x
    x = 631,933,835,832.48/910,700.30
  6. Step 6: Final answer
    x = 693,898.79

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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.