Home / 719,447.16-1,078,917.38-239,544.64

Finding the Fourth Proportional to 719,447.16, 1,078,917.38 and 239,544.64

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Solution

The fourth proportional to 719,447.16, 1,078,917.38 and 239,544.64 is: 359,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,447.16 : 1,078,917.38 = 239,544.64 : x
  2. Step 2: Convert to fraction form
    719,447.16/1,078,917.38 = 239,544.64/x
  3. Step 3: Cross multiply
    719,447.16x = 1,078,917.38 × 239,544.64
  4. Step 4: Simplify right side
    719,447.16x = 258,448,875,381.84
  5. Step 5: Solve for x
    x = 258,448,875,381.84/719,447.16
  6. Step 6: Final answer
    x = 359,232.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.