Home / 938,646.88-1,295,342.32-508,927.84

Finding the Fourth Proportional to 938,646.88, 1,295,342.32 and 508,927.84

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Solution

The fourth proportional to 938,646.88, 1,295,342.32 and 508,927.84 is: 702,325.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,646.88 : 1,295,342.32 = 508,927.84 : x
  2. Step 2: Convert to fraction form
    938,646.88/1,295,342.32 = 508,927.84/x
  3. Step 3: Cross multiply
    938,646.88x = 1,295,342.32 × 508,927.84
  4. Step 4: Simplify right side
    938,646.88x = 659,235,768,978.19
  5. Step 5: Solve for x
    x = 659,235,768,978.19/938,646.88
  6. Step 6: Final answer
    x = 702,325.64

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1.5x scale

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.