Home / 695,658.99-1,043,320.53-290,632.35

Finding the Fourth Proportional to 695,658.99, 1,043,320.53 and 290,632.35

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Solution

The fourth proportional to 695,658.99, 1,043,320.53 and 290,632.35 is: 435,878.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,658.99 : 1,043,320.53 = 290,632.35 : x
  2. Step 2: Convert to fraction form
    695,658.99/1,043,320.53 = 290,632.35/x
  3. Step 3: Cross multiply
    695,658.99x = 1,043,320.53 × 290,632.35
  4. Step 4: Simplify right side
    695,658.99x = 303,222,697,437.15
  5. Step 5: Solve for x
    x = 303,222,697,437.15/695,658.99
  6. Step 6: Final answer
    x = 435,878.36

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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.