Home / 744,579.49-1,117,184.22-407,226.30

Finding the Fourth Proportional to 744,579.49, 1,117,184.22 and 407,226.30

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Solution

The fourth proportional to 744,579.49, 1,117,184.22 and 407,226.30 is: 611,011.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,579.49 : 1,117,184.22 = 407,226.30 : x
  2. Step 2: Convert to fraction form
    744,579.49/1,117,184.22 = 407,226.30/x
  3. Step 3: Cross multiply
    744,579.49x = 1,117,184.22 × 407,226.30
  4. Step 4: Simplify right side
    744,579.49x = 454,946,796,328.99
  5. Step 5: Solve for x
    x = 454,946,796,328.99/744,579.49
  6. Step 6: Final answer
    x = 611,011.72

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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.