Home / 890,395.52-1,228,506.72-508,346.24

Finding the Fourth Proportional to 890,395.52, 1,228,506.72 and 508,346.24

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Solution

The fourth proportional to 890,395.52, 1,228,506.72 and 508,346.24 is: 701,381.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,395.52 : 1,228,506.72 = 508,346.24 : x
  2. Step 2: Convert to fraction form
    890,395.52/1,228,506.72 = 508,346.24/x
  3. Step 3: Cross multiply
    890,395.52x = 1,228,506.72 × 508,346.24
  4. Step 4: Simplify right side
    890,395.52x = 624,506,771,926.73
  5. Step 5: Solve for x
    x = 624,506,771,926.73/890,395.52
  6. Step 6: Final answer
    x = 701,381.31

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Double scale
Find fourth proportional to 890,396.52, 1,228,508.10 and 508,347.24
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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.