Home / 690,063.98-1,035,137.30-216,749.32

Finding the Fourth Proportional to 690,063.98, 1,035,137.30 and 216,749.32

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Solution

The fourth proportional to 690,063.98, 1,035,137.30 and 216,749.32 is: 325,136.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,063.98 : 1,035,137.30 = 216,749.32 : x
  2. Step 2: Convert to fraction form
    690,063.98/1,035,137.30 = 216,749.32/x
  3. Step 3: Cross multiply
    690,063.98x = 1,035,137.30 × 216,749.32
  4. Step 4: Simplify right side
    690,063.98x = 224,365,302,210.05
  5. Step 5: Solve for x
    x = 224,365,302,210.05/690,063.98
  6. Step 6: Final answer
    x = 325,136.96

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Similar ratio
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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.