Home / 890,393.52-1,228,503.96-508,344.24

Finding the Fourth Proportional to 890,393.52, 1,228,503.96 and 508,344.24

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Solution

The fourth proportional to 890,393.52, 1,228,503.96 and 508,344.24 is: 701,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,393.52 : 1,228,503.96 = 508,344.24 : x
  2. Step 2: Convert to fraction form
    890,393.52/1,228,503.96 = 508,344.24/x
  3. Step 3: Cross multiply
    890,393.52x = 1,228,503.96 × 508,344.24
  4. Step 4: Simplify right side
    890,393.52x = 624,502,911,883.19
  5. Step 5: Solve for x
    x = 624,502,911,883.19/890,393.52
  6. Step 6: Final answer
    x = 701,378.55

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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.