Home / 678,308.52-1,017,484.46-341,165.16

Finding the Fourth Proportional to 678,308.52, 1,017,484.46 and 341,165.16

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Solution

The fourth proportional to 678,308.52, 1,017,484.46 and 341,165.16 is: 511,758.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,308.52 : 1,017,484.46 = 341,165.16 : x
  2. Step 2: Convert to fraction form
    678,308.52/1,017,484.46 = 341,165.16/x
  3. Step 3: Cross multiply
    678,308.52x = 1,017,484.46 × 341,165.16
  4. Step 4: Simplify right side
    678,308.52x = 347,130,248,593.41
  5. Step 5: Solve for x
    x = 347,130,248,593.41/678,308.52
  6. Step 6: Final answer
    x = 511,758.64

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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.