Home / 684,212.51-1,026,486.12-482,202.77

Finding the Fourth Proportional to 684,212.51, 1,026,486.12 and 482,202.77

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Solution

The fourth proportional to 684,212.51, 1,026,486.12 and 482,202.77 is: 723,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,212.51 : 1,026,486.12 = 482,202.77 : x
  2. Step 2: Convert to fraction form
    684,212.51/1,026,486.12 = 482,202.77/x
  3. Step 3: Cross multiply
    684,212.51x = 1,026,486.12 × 482,202.77
  4. Step 4: Simplify right side
    684,212.51x = 494,974,445,298.12
  5. Step 5: Solve for x
    x = 494,974,445,298.12/684,212.51
  6. Step 6: Final answer
    x = 723,422.10

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1.5x scale

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.