Home / 959,058.39-1,438,587.18-285,136.77

Finding the Fourth Proportional to 959,058.39, 1,438,587.18 and 285,136.77

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Solution

The fourth proportional to 959,058.39, 1,438,587.18 and 285,136.77 is: 427,705.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,058.39 : 1,438,587.18 = 285,136.77 : x
  2. Step 2: Convert to fraction form
    959,058.39/1,438,587.18 = 285,136.77/x
  3. Step 3: Cross multiply
    959,058.39x = 1,438,587.18 × 285,136.77
  4. Step 4: Simplify right side
    959,058.39x = 410,194,101,868.61
  5. Step 5: Solve for x
    x = 410,194,101,868.61/959,058.39
  6. Step 6: Final answer
    x = 427,705.03

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Double scale
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Similar ratio
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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.