Home / 520,322.32-780,535.50-141,249.16

Finding the Fourth Proportional to 520,322.32, 780,535.50 and 141,249.16

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Solution

The fourth proportional to 520,322.32, 780,535.50 and 141,249.16 is: 211,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,322.32 : 780,535.50 = 141,249.16 : x
  2. Step 2: Convert to fraction form
    520,322.32/780,535.50 = 141,249.16/x
  3. Step 3: Cross multiply
    520,322.32x = 780,535.50 × 141,249.16
  4. Step 4: Simplify right side
    520,322.32x = 110,249,983,725.18
  5. Step 5: Solve for x
    x = 110,249,983,725.18/520,322.32
  6. Step 6: Final answer
    x = 211,887.86

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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.