Home / 674,764.77-1,012,313.21-475,474.40

Finding the Fourth Proportional to 674,764.77, 1,012,313.21 and 475,474.40

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Solution

The fourth proportional to 674,764.77, 1,012,313.21 and 475,474.40 is: 713,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,764.77 : 1,012,313.21 = 475,474.40 : x
  2. Step 2: Convert to fraction form
    674,764.77/1,012,313.21 = 475,474.40/x
  3. Step 3: Cross multiply
    674,764.77x = 1,012,313.21 × 475,474.40
  4. Step 4: Simplify right side
    674,764.77x = 481,329,008,697.89
  5. Step 5: Solve for x
    x = 481,329,008,697.89/674,764.77
  6. Step 6: Final answer
    x = 713,328.60

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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.