Home / 684,308.16-1,026,396.27-210,866.40

Finding the Fourth Proportional to 684,308.16, 1,026,396.27 and 210,866.40

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Solution

The fourth proportional to 684,308.16, 1,026,396.27 and 210,866.40 is: 316,279.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,308.16 : 1,026,396.27 = 210,866.40 : x
  2. Step 2: Convert to fraction form
    684,308.16/1,026,396.27 = 210,866.40/x
  3. Step 3: Cross multiply
    684,308.16x = 1,026,396.27 × 210,866.40
  4. Step 4: Simplify right side
    684,308.16x = 216,432,486,428.33
  5. Step 5: Solve for x
    x = 216,432,486,428.33/684,308.16
  6. Step 6: Final answer
    x = 316,279.27

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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.