Home / 697,478.60-1,045,243.59-376,939.46

Finding the Fourth Proportional to 697,478.60, 1,045,243.59 and 376,939.46

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Solution

The fourth proportional to 697,478.60, 1,045,243.59 and 376,939.46 is: 564,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,478.60 : 1,045,243.59 = 376,939.46 : x
  2. Step 2: Convert to fraction form
    697,478.60/1,045,243.59 = 376,939.46/x
  3. Step 3: Cross multiply
    697,478.60x = 1,045,243.59 × 376,939.46
  4. Step 4: Simplify right side
    697,478.60x = 393,993,549,156.84
  5. Step 5: Solve for x
    x = 393,993,549,156.84/697,478.60
  6. Step 6: Final answer
    x = 564,882.64

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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.