Home / 829,938.46-1,145,303.85-467,366.80

Finding the Fourth Proportional to 829,938.46, 1,145,303.85 and 467,366.80

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Solution

The fourth proportional to 829,938.46, 1,145,303.85 and 467,366.80 is: 644,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,938.46 : 1,145,303.85 = 467,366.80 : x
  2. Step 2: Convert to fraction form
    829,938.46/1,145,303.85 = 467,366.80/x
  3. Step 3: Cross multiply
    829,938.46x = 1,145,303.85 × 467,366.80
  4. Step 4: Simplify right side
    829,938.46x = 535,276,995,402.18
  5. Step 5: Solve for x
    x = 535,276,995,402.18/829,938.46
  6. Step 6: Final answer
    x = 644,959.86

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Double scale
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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.