Home / 697,442.90-1,045,905.15-276,631.70

Finding the Fourth Proportional to 697,442.90, 1,045,905.15 and 276,631.70

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Solution

The fourth proportional to 697,442.90, 1,045,905.15 and 276,631.70 is: 414,844.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,442.90 : 1,045,905.15 = 276,631.70 : x
  2. Step 2: Convert to fraction form
    697,442.90/1,045,905.15 = 276,631.70/x
  3. Step 3: Cross multiply
    697,442.90x = 1,045,905.15 × 276,631.70
  4. Step 4: Simplify right side
    697,442.90x = 289,330,519,683.26
  5. Step 5: Solve for x
    x = 289,330,519,683.26/697,442.90
  6. Step 6: Final answer
    x = 414,844.74

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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.