Home / 919,336.34-1,379,225.38-288,250.22

Finding the Fourth Proportional to 919,336.34, 1,379,225.38 and 288,250.22

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Solution

The fourth proportional to 919,336.34, 1,379,225.38 and 288,250.22 is: 432,444.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,336.34 : 1,379,225.38 = 288,250.22 : x
  2. Step 2: Convert to fraction form
    919,336.34/1,379,225.38 = 288,250.22/x
  3. Step 3: Cross multiply
    919,336.34x = 1,379,225.38 × 288,250.22
  4. Step 4: Simplify right side
    919,336.34x = 397,562,019,214.58
  5. Step 5: Solve for x
    x = 397,562,019,214.58/919,336.34
  6. Step 6: Final answer
    x = 432,444.58

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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.