Home / 938,482.60-1,295,112.64-508,769.50

Finding the Fourth Proportional to 938,482.60, 1,295,112.64 and 508,769.50

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Solution

The fourth proportional to 938,482.60, 1,295,112.64 and 508,769.50 is: 702,105.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,482.60 : 1,295,112.64 = 508,769.50 : x
  2. Step 2: Convert to fraction form
    938,482.60/1,295,112.64 = 508,769.50/x
  3. Step 3: Cross multiply
    938,482.60x = 1,295,112.64 × 508,769.50
  4. Step 4: Simplify right side
    938,482.60x = 658,913,810,296.48
  5. Step 5: Solve for x
    x = 658,913,810,296.48/938,482.60
  6. Step 6: Final answer
    x = 702,105.52

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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.