Home / 677,900.64-1,017,015.12-204,557.16

Finding the Fourth Proportional to 677,900.64, 1,017,015.12 and 204,557.16

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Solution

The fourth proportional to 677,900.64, 1,017,015.12 and 204,557.16 is: 306,885.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,900.64 : 1,017,015.12 = 204,557.16 : x
  2. Step 2: Convert to fraction form
    677,900.64/1,017,015.12 = 204,557.16/x
  3. Step 3: Cross multiply
    677,900.64x = 1,017,015.12 × 204,557.16
  4. Step 4: Simplify right side
    677,900.64x = 208,037,724,624.26
  5. Step 5: Solve for x
    x = 208,037,724,624.26/677,900.64
  6. Step 6: Final answer
    x = 306,885.28

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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.