Home / 688,684.32-1,033,044.93-215,369.67

Finding the Fourth Proportional to 688,684.32, 1,033,044.93 and 215,369.67

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Solution

The fourth proportional to 688,684.32, 1,033,044.93 and 215,369.67 is: 323,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,684.32 : 1,033,044.93 = 215,369.67 : x
  2. Step 2: Convert to fraction form
    688,684.32/1,033,044.93 = 215,369.67/x
  3. Step 3: Cross multiply
    688,684.32x = 1,033,044.93 × 215,369.67
  4. Step 4: Simplify right side
    688,684.32x = 222,486,545,669.27
  5. Step 5: Solve for x
    x = 222,486,545,669.27/688,684.32
  6. Step 6: Final answer
    x = 323,060.27

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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.