Home / 764,080.08-1,054,384.20-424,536.72

Finding the Fourth Proportional to 764,080.08, 1,054,384.20 and 424,536.72

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Solution

The fourth proportional to 764,080.08, 1,054,384.20 and 424,536.72 is: 585,834.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,080.08 : 1,054,384.20 = 424,536.72 : x
  2. Step 2: Convert to fraction form
    764,080.08/1,054,384.20 = 424,536.72/x
  3. Step 3: Cross multiply
    764,080.08x = 1,054,384.20 × 424,536.72
  4. Step 4: Simplify right side
    764,080.08x = 447,624,809,887.82
  5. Step 5: Solve for x
    x = 447,624,809,887.82/764,080.08
  6. Step 6: Final answer
    x = 585,834.94

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Double scale
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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.