Home / 762,378.95-1,051,906.37-456,339.02

Finding the Fourth Proportional to 762,378.95, 1,051,906.37 and 456,339.02

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Solution

The fourth proportional to 762,378.95, 1,051,906.37 and 456,339.02 is: 629,642.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,378.95 : 1,051,906.37 = 456,339.02 : x
  2. Step 2: Convert to fraction form
    762,378.95/1,051,906.37 = 456,339.02/x
  3. Step 3: Cross multiply
    762,378.95x = 1,051,906.37 × 456,339.02
  4. Step 4: Simplify right side
    762,378.95x = 480,025,914,476.33
  5. Step 5: Solve for x
    x = 480,025,914,476.33/762,378.95
  6. Step 6: Final answer
    x = 629,642.14

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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.