Home / 890,058.26-1,228,500.12-508,306.47

Finding the Fourth Proportional to 890,058.26, 1,228,500.12 and 508,306.47

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Solution

The fourth proportional to 890,058.26, 1,228,500.12 and 508,306.47 is: 701,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,058.26 : 1,228,500.12 = 508,306.47 : x
  2. Step 2: Convert to fraction form
    890,058.26/1,228,500.12 = 508,306.47/x
  3. Step 3: Cross multiply
    890,058.26x = 1,228,500.12 × 508,306.47
  4. Step 4: Simplify right side
    890,058.26x = 624,454,559,391.78
  5. Step 5: Solve for x
    x = 624,454,559,391.78/890,058.26
  6. Step 6: Final answer
    x = 701,588.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.