Home / 628,946.16-868,794.84-502,508.40

Finding the Fourth Proportional to 628,946.16, 868,794.84 and 502,508.40

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Solution

The fourth proportional to 628,946.16, 868,794.84 and 502,508.40 is: 694,140.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,946.16 : 868,794.84 = 502,508.40 : x
  2. Step 2: Convert to fraction form
    628,946.16/868,794.84 = 502,508.40/x
  3. Step 3: Cross multiply
    628,946.16x = 868,794.84 × 502,508.40
  4. Step 4: Simplify right side
    628,946.16x = 436,576,704,976.66
  5. Step 5: Solve for x
    x = 436,576,704,976.66/628,946.16
  6. Step 6: Final answer
    x = 694,140.03

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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.