Home / 379,437.24-523,627.02-209,674.20

Finding the Fourth Proportional to 379,437.24, 523,627.02 and 209,674.20

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Solution

The fourth proportional to 379,437.24, 523,627.02 and 209,674.20 is: 289,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,437.24 : 523,627.02 = 209,674.20 : x
  2. Step 2: Convert to fraction form
    379,437.24/523,627.02 = 209,674.20/x
  3. Step 3: Cross multiply
    379,437.24x = 523,627.02 × 209,674.20
  4. Step 4: Simplify right side
    379,437.24x = 109,791,076,516.88
  5. Step 5: Solve for x
    x = 109,791,076,516.88/379,437.24
  6. Step 6: Final answer
    x = 289,352.40

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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.