Home / 634,972.68-946,275.09-615,749.64

Finding the Fourth Proportional to 634,972.68, 946,275.09 and 615,749.64

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Solution

The fourth proportional to 634,972.68, 946,275.09 and 615,749.64 is: 917,627.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,972.68 : 946,275.09 = 615,749.64 : x
  2. Step 2: Convert to fraction form
    634,972.68/946,275.09 = 615,749.64/x
  3. Step 3: Cross multiply
    634,972.68x = 946,275.09 × 615,749.64
  4. Step 4: Simplify right side
    634,972.68x = 582,668,546,008.47
  5. Step 5: Solve for x
    x = 582,668,546,008.47/634,972.68
  6. Step 6: Final answer
    x = 917,627.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.