Home / 920,864.32-1,380,249.03-560,240.23

Finding the Fourth Proportional to 920,864.32, 1,380,249.03 and 560,240.23

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Solution

The fourth proportional to 920,864.32, 1,380,249.03 and 560,240.23 is: 839,723.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,864.32 : 1,380,249.03 = 560,240.23 : x
  2. Step 2: Convert to fraction form
    920,864.32/1,380,249.03 = 560,240.23/x
  3. Step 3: Cross multiply
    920,864.32x = 1,380,249.03 × 560,240.23
  4. Step 4: Simplify right side
    920,864.32x = 773,271,024,322.03
  5. Step 5: Solve for x
    x = 773,271,024,322.03/920,864.32
  6. Step 6: Final answer
    x = 839,723.08

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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.