Home / 697,454.40-1,045,922.40-276,643.20

Finding the Fourth Proportional to 697,454.40, 1,045,922.40 and 276,643.20

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Solution

The fourth proportional to 697,454.40, 1,045,922.40 and 276,643.20 is: 414,861.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,454.40 : 1,045,922.40 = 276,643.20 : x
  2. Step 2: Convert to fraction form
    697,454.40/1,045,922.40 = 276,643.20/x
  3. Step 3: Cross multiply
    697,454.40x = 1,045,922.40 × 276,643.20
  4. Step 4: Simplify right side
    697,454.40x = 289,347,319,687.68
  5. Step 5: Solve for x
    x = 289,347,319,687.68/697,454.40
  6. Step 6: Final answer
    x = 414,861.99

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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.