Home / 693,263.08-1,039,898.40-213,484.96

Finding the Fourth Proportional to 693,263.08, 1,039,898.40 and 213,484.96

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Solution

The fourth proportional to 693,263.08, 1,039,898.40 and 213,484.96 is: 320,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,263.08 : 1,039,898.40 = 213,484.96 : x
  2. Step 2: Convert to fraction form
    693,263.08/1,039,898.40 = 213,484.96/x
  3. Step 3: Cross multiply
    693,263.08x = 1,039,898.40 × 213,484.96
  4. Step 4: Simplify right side
    693,263.08x = 222,002,668,328.06
  5. Step 5: Solve for x
    x = 222,002,668,328.06/693,263.08
  6. Step 6: Final answer
    x = 320,228.60

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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.