Home / 771,697.53-1,157,715.45-259,344.32

Finding the Fourth Proportional to 771,697.53, 1,157,715.45 and 259,344.32

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Solution

The fourth proportional to 771,697.53, 1,157,715.45 and 259,344.32 is: 389,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,697.53 : 1,157,715.45 = 259,344.32 : x
  2. Step 2: Convert to fraction form
    771,697.53/1,157,715.45 = 259,344.32/x
  3. Step 3: Cross multiply
    771,697.53x = 1,157,715.45 × 259,344.32
  4. Step 4: Simplify right side
    771,697.53x = 300,246,920,345.17
  5. Step 5: Solve for x
    x = 300,246,920,345.17/771,697.53
  6. Step 6: Final answer
    x = 389,073.32

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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.