Home / 642,621.15-962,917.86-237,255.93

Finding the Fourth Proportional to 642,621.15, 962,917.86 and 237,255.93

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Solution

The fourth proportional to 642,621.15, 962,917.86 and 237,255.93 is: 355,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,621.15 : 962,917.86 = 237,255.93 : x
  2. Step 2: Convert to fraction form
    642,621.15/962,917.86 = 237,255.93/x
  3. Step 3: Cross multiply
    642,621.15x = 962,917.86 × 237,255.93
  4. Step 4: Simplify right side
    642,621.15x = 228,457,972,387.91
  5. Step 5: Solve for x
    x = 228,457,972,387.91/642,621.15
  6. Step 6: Final answer
    x = 355,509.58

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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.