Home / 684,303.66-1,026,389.52-210,861.90

Finding the Fourth Proportional to 684,303.66, 1,026,389.52 and 210,861.90

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Solution

The fourth proportional to 684,303.66, 1,026,389.52 and 210,861.90 is: 316,272.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,303.66 : 1,026,389.52 = 210,861.90 : x
  2. Step 2: Convert to fraction form
    684,303.66/1,026,389.52 = 210,861.90/x
  3. Step 3: Cross multiply
    684,303.66x = 1,026,389.52 × 210,861.90
  4. Step 4: Simplify right side
    684,303.66x = 216,426,444,327.29
  5. Step 5: Solve for x
    x = 216,426,444,327.29/684,303.66
  6. Step 6: Final answer
    x = 316,272.52

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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.