Home / 784,750.32-1,082,923.56-445,211.28

Finding the Fourth Proportional to 784,750.32, 1,082,923.56 and 445,211.28

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Solution

The fourth proportional to 784,750.32, 1,082,923.56 and 445,211.28 is: 614,373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,750.32 : 1,082,923.56 = 445,211.28 : x
  2. Step 2: Convert to fraction form
    784,750.32/1,082,923.56 = 445,211.28/x
  3. Step 3: Cross multiply
    784,750.32x = 1,082,923.56 × 445,211.28
  4. Step 4: Simplify right side
    784,750.32x = 482,129,784,289.76
  5. Step 5: Solve for x
    x = 482,129,784,289.76/784,750.32
  6. Step 6: Final answer
    x = 614,373.48

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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.