Home / 705,936.52-1,059,036.06-285,507.40

Finding the Fourth Proportional to 705,936.52, 1,059,036.06 and 285,507.40

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Solution

The fourth proportional to 705,936.52, 1,059,036.06 and 285,507.40 is: 428,314.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,936.52 : 1,059,036.06 = 285,507.40 : x
  2. Step 2: Convert to fraction form
    705,936.52/1,059,036.06 = 285,507.40/x
  3. Step 3: Cross multiply
    705,936.52x = 1,059,036.06 × 285,507.40
  4. Step 4: Simplify right side
    705,936.52x = 302,362,631,996.84
  5. Step 5: Solve for x
    x = 302,362,631,996.84/705,936.52
  6. Step 6: Final answer
    x = 428,314.19

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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.