Home / 705,857.04-1,058,983.20-285,428.16

Finding the Fourth Proportional to 705,857.04, 1,058,983.20 and 285,428.16

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Solution

The fourth proportional to 705,857.04, 1,058,983.20 and 285,428.16 is: 428,222.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,857.04 : 1,058,983.20 = 285,428.16 : x
  2. Step 2: Convert to fraction form
    705,857.04/1,058,983.20 = 285,428.16/x
  3. Step 3: Cross multiply
    705,857.04x = 1,058,983.20 × 285,428.16
  4. Step 4: Simplify right side
    705,857.04x = 302,263,626,246.91
  5. Step 5: Solve for x
    x = 302,263,626,246.91/705,857.04
  6. Step 6: Final answer
    x = 428,222.16

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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.