Home / 678,598.08-1,017,741.60-304,728

Finding the Fourth Proportional to 678,598.08, 1,017,741.60 and 304,728

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Solution

The fourth proportional to 678,598.08, 1,017,741.60 and 304,728 is: 457,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,598.08 : 1,017,741.60 = 304,728 : x
  2. Step 2: Convert to fraction form
    678,598.08/1,017,741.60 = 304,728/x
  3. Step 3: Cross multiply
    678,598.08x = 1,017,741.60 × 304,728
  4. Step 4: Simplify right side
    678,598.08x = 310,134,362,284.80
  5. Step 5: Solve for x
    x = 310,134,362,284.80/678,598.08
  6. Step 6: Final answer
    x = 457,022.16

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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.