Home / 784,242.30-1,176,339.15-223,276.80

Finding the Fourth Proportional to 784,242.30, 1,176,339.15 and 223,276.80

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Solution

The fourth proportional to 784,242.30, 1,176,339.15 and 223,276.80 is: 334,908.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,242.30 : 1,176,339.15 = 223,276.80 : x
  2. Step 2: Convert to fraction form
    784,242.30/1,176,339.15 = 223,276.80/x
  3. Step 3: Cross multiply
    784,242.30x = 1,176,339.15 × 223,276.80
  4. Step 4: Simplify right side
    784,242.30x = 262,649,241,126.72
  5. Step 5: Solve for x
    x = 262,649,241,126.72/784,242.30
  6. Step 6: Final answer
    x = 334,908.28

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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.