Home / 697,419.69-1,045,131.38-397,280.15

Finding the Fourth Proportional to 697,419.69, 1,045,131.38 and 397,280.15

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Solution

The fourth proportional to 697,419.69, 1,045,131.38 and 397,280.15 is: 595,351.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,419.69 : 1,045,131.38 = 397,280.15 : x
  2. Step 2: Convert to fraction form
    697,419.69/1,045,131.38 = 397,280.15/x
  3. Step 3: Cross multiply
    697,419.69x = 1,045,131.38 × 397,280.15
  4. Step 4: Simplify right side
    697,419.69x = 415,209,944,204.05
  5. Step 5: Solve for x
    x = 415,209,944,204.05/697,419.69
  6. Step 6: Final answer
    x = 595,351.62

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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.