Home / 910,660.83-1,256,713.79-502,763.46

Finding the Fourth Proportional to 910,660.83, 1,256,713.79 and 502,763.46

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Solution

The fourth proportional to 910,660.83, 1,256,713.79 and 502,763.46 is: 693,814.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,660.83 : 1,256,713.79 = 502,763.46 : x
  2. Step 2: Convert to fraction form
    910,660.83/1,256,713.79 = 502,763.46/x
  3. Step 3: Cross multiply
    910,660.83x = 1,256,713.79 × 502,763.46
  4. Step 4: Simplify right side
    910,660.83x = 631,829,773,290.11
  5. Step 5: Solve for x
    x = 631,829,773,290.11/910,660.83
  6. Step 6: Final answer
    x = 693,814.59

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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.