Home / 781,201.02-1,078,047.70-458,940.49

Finding the Fourth Proportional to 781,201.02, 1,078,047.70 and 458,940.49

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Solution

The fourth proportional to 781,201.02, 1,078,047.70 and 458,940.49 is: 633,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,201.02 : 1,078,047.70 = 458,940.49 : x
  2. Step 2: Convert to fraction form
    781,201.02/1,078,047.70 = 458,940.49/x
  3. Step 3: Cross multiply
    781,201.02x = 1,078,047.70 × 458,940.49
  4. Step 4: Simplify right side
    781,201.02x = 494,759,739,681.37
  5. Step 5: Solve for x
    x = 494,759,739,681.37/781,201.02
  6. Step 6: Final answer
    x = 633,332.17

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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.