Home / 910,415.33-1,256,499.65-508,033.25

Finding the Fourth Proportional to 910,415.33, 1,256,499.65 and 508,033.25

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Solution

The fourth proportional to 910,415.33, 1,256,499.65 and 508,033.25 is: 701,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,415.33 : 1,256,499.65 = 508,033.25 : x
  2. Step 2: Convert to fraction form
    910,415.33/1,256,499.65 = 508,033.25/x
  3. Step 3: Cross multiply
    910,415.33x = 1,256,499.65 × 508,033.25
  4. Step 4: Simplify right side
    910,415.33x = 638,343,598,273.20
  5. Step 5: Solve for x
    x = 638,343,598,273.20/910,415.33
  6. Step 6: Final answer
    x = 701,156.47

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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.