Home / 910,543.89-1,256,486.07-502,580.28

Finding the Fourth Proportional to 910,543.89, 1,256,486.07 and 502,580.28

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Solution

The fourth proportional to 910,543.89, 1,256,486.07 and 502,580.28 is: 693,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,543.89 : 1,256,486.07 = 502,580.28 : x
  2. Step 2: Convert to fraction form
    910,543.89/1,256,486.07 = 502,580.28/x
  3. Step 3: Cross multiply
    910,543.89x = 1,256,486.07 × 502,580.28
  4. Step 4: Simplify right side
    910,543.89x = 631,485,120,876.70
  5. Step 5: Solve for x
    x = 631,485,120,876.70/910,543.89
  6. Step 6: Final answer
    x = 693,525.19

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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.