Home / 784,615.32-1,082,737.26-445,076.28

Finding the Fourth Proportional to 784,615.32, 1,082,737.26 and 445,076.28

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Solution

The fourth proportional to 784,615.32, 1,082,737.26 and 445,076.28 is: 614,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,615.32 : 1,082,737.26 = 445,076.28 : x
  2. Step 2: Convert to fraction form
    784,615.32/1,082,737.26 = 445,076.28/x
  3. Step 3: Cross multiply
    784,615.32x = 1,082,737.26 × 445,076.28
  4. Step 4: Simplify right side
    784,615.32x = 481,900,671,898.19
  5. Step 5: Solve for x
    x = 481,900,671,898.19/784,615.32
  6. Step 6: Final answer
    x = 614,187.18

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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.