Home / 684,006.60-1,026,009.90-628,019.40

Finding the Fourth Proportional to 684,006.60, 1,026,009.90 and 628,019.40

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Solution

The fourth proportional to 684,006.60, 1,026,009.90 and 628,019.40 is: 942,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,006.60 : 1,026,009.90 = 628,019.40 : x
  2. Step 2: Convert to fraction form
    684,006.60/1,026,009.90 = 628,019.40/x
  3. Step 3: Cross multiply
    684,006.60x = 1,026,009.90 × 628,019.40
  4. Step 4: Simplify right side
    684,006.60x = 644,354,121,792.06
  5. Step 5: Solve for x
    x = 644,354,121,792.06/684,006.60
  6. Step 6: Final answer
    x = 942,029.10

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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.