Home / 705,868.04-1,058,999.70-285,439.16

Finding the Fourth Proportional to 705,868.04, 1,058,999.70 and 285,439.16

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Solution

The fourth proportional to 705,868.04, 1,058,999.70 and 285,439.16 is: 428,238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,868.04 : 1,058,999.70 = 285,439.16 : x
  2. Step 2: Convert to fraction form
    705,868.04/1,058,999.70 = 285,439.16/x
  3. Step 3: Cross multiply
    705,868.04x = 1,058,999.70 × 285,439.16
  4. Step 4: Simplify right side
    705,868.04x = 302,279,984,808.25
  5. Step 5: Solve for x
    x = 302,279,984,808.25/705,868.04
  6. Step 6: Final answer
    x = 428,238.66

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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.