Home / 910,476.62-1,256,457.96-502,578.69

Finding the Fourth Proportional to 910,476.62, 1,256,457.96 and 502,578.69

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Solution

The fourth proportional to 910,476.62, 1,256,457.96 and 502,578.69 is: 693,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,476.62 : 1,256,457.96 = 502,578.69 : x
  2. Step 2: Convert to fraction form
    910,476.62/1,256,457.96 = 502,578.69/x
  3. Step 3: Cross multiply
    910,476.62x = 1,256,457.96 × 502,578.69
  4. Step 4: Simplify right side
    910,476.62x = 631,468,997,932.73
  5. Step 5: Solve for x
    x = 631,468,997,932.73/910,476.62
  6. Step 6: Final answer
    x = 693,558.72

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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.