Home / 784,810.84-1,083,006.30-445,297.72

Finding the Fourth Proportional to 784,810.84, 1,083,006.30 and 445,297.72

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Solution

The fourth proportional to 784,810.84, 1,083,006.30 and 445,297.72 is: 614,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,810.84 : 1,083,006.30 = 445,297.72 : x
  2. Step 2: Convert to fraction form
    784,810.84/1,083,006.30 = 445,297.72/x
  3. Step 3: Cross multiply
    784,810.84x = 1,083,006.30 × 445,297.72
  4. Step 4: Simplify right side
    784,810.84x = 482,260,236,135.64
  5. Step 5: Solve for x
    x = 482,260,236,135.64/784,810.84
  6. Step 6: Final answer
    x = 614,492.32

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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.