Home / 784,497.96-1,175,634.48-328,598.28

Finding the Fourth Proportional to 784,497.96, 1,175,634.48 and 328,598.28

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Solution

The fourth proportional to 784,497.96, 1,175,634.48 and 328,598.28 is: 492,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,497.96 : 1,175,634.48 = 328,598.28 : x
  2. Step 2: Convert to fraction form
    784,497.96/1,175,634.48 = 328,598.28/x
  3. Step 3: Cross multiply
    784,497.96x = 1,175,634.48 × 328,598.28
  4. Step 4: Simplify right side
    784,497.96x = 386,311,468,036.69
  5. Step 5: Solve for x
    x = 386,311,468,036.69/784,497.96
  6. Step 6: Final answer
    x = 492,431.45

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Double scale
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Similar ratio
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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.