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Finding the Fourth Proportional to 535,995.46, 739,640.58 and 294,276.67

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Solution

The fourth proportional to 535,995.46, 739,640.58 and 294,276.67 is: 406,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,995.46 : 739,640.58 = 294,276.67 : x
  2. Step 2: Convert to fraction form
    535,995.46/739,640.58 = 294,276.67/x
  3. Step 3: Cross multiply
    535,995.46x = 739,640.58 × 294,276.67
  4. Step 4: Simplify right side
    535,995.46x = 217,658,966,879.27
  5. Step 5: Solve for x
    x = 217,658,966,879.27/535,995.46
  6. Step 6: Final answer
    x = 406,083.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.