Home / 678,174.64-1,017,230.08-251,795.32

Finding the Fourth Proportional to 678,174.64, 1,017,230.08 and 251,795.32

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Solution

The fourth proportional to 678,174.64, 1,017,230.08 and 251,795.32 is: 377,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,174.64 : 1,017,230.08 = 251,795.32 : x
  2. Step 2: Convert to fraction form
    678,174.64/1,017,230.08 = 251,795.32/x
  3. Step 3: Cross multiply
    678,174.64x = 1,017,230.08 × 251,795.32
  4. Step 4: Simplify right side
    678,174.64x = 256,133,773,507.23
  5. Step 5: Solve for x
    x = 256,133,773,507.23/678,174.64
  6. Step 6: Final answer
    x = 377,681.14

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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.