Home / 697,442.40-1,045,904.40-276,631.20

Finding the Fourth Proportional to 697,442.40, 1,045,904.40 and 276,631.20

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Solution

The fourth proportional to 697,442.40, 1,045,904.40 and 276,631.20 is: 414,843.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,442.40 : 1,045,904.40 = 276,631.20 : x
  2. Step 2: Convert to fraction form
    697,442.40/1,045,904.40 = 276,631.20/x
  3. Step 3: Cross multiply
    697,442.40x = 1,045,904.40 × 276,631.20
  4. Step 4: Simplify right side
    697,442.40x = 289,329,789,257.28
  5. Step 5: Solve for x
    x = 289,329,789,257.28/697,442.40
  6. Step 6: Final answer
    x = 414,843.99

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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.