Home / 723,527.20-1,085,031.60-368,423.20

Finding the Fourth Proportional to 723,527.20, 1,085,031.60 and 368,423.20

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Solution

The fourth proportional to 723,527.20, 1,085,031.60 and 368,423.20 is: 552,502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,527.20 : 1,085,031.60 = 368,423.20 : x
  2. Step 2: Convert to fraction form
    723,527.20/1,085,031.60 = 368,423.20/x
  3. Step 3: Cross multiply
    723,527.20x = 1,085,031.60 × 368,423.20
  4. Step 4: Simplify right side
    723,527.20x = 399,750,814,173.12
  5. Step 5: Solve for x
    x = 399,750,814,173.12/723,527.20
  6. Step 6: Final answer
    x = 552,502.81

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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.