Home / 910,509.35-1,256,495.56-502,610.60

Finding the Fourth Proportional to 910,509.35, 1,256,495.56 and 502,610.60

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Solution

The fourth proportional to 910,509.35, 1,256,495.56 and 502,610.60 is: 693,598.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,509.35 : 1,256,495.56 = 502,610.60 : x
  2. Step 2: Convert to fraction form
    910,509.35/1,256,495.56 = 502,610.60/x
  3. Step 3: Cross multiply
    910,509.35x = 1,256,495.56 × 502,610.60
  4. Step 4: Simplify right side
    910,509.35x = 631,527,987,308.94
  5. Step 5: Solve for x
    x = 631,527,987,308.94/910,509.35
  6. Step 6: Final answer
    x = 693,598.57

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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.