Home / 740,468.50-1,021,847.26-400,935.94

Finding the Fourth Proportional to 740,468.50, 1,021,847.26 and 400,935.94

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Solution

The fourth proportional to 740,468.50, 1,021,847.26 and 400,935.94 is: 553,291.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,468.50 : 1,021,847.26 = 400,935.94 : x
  2. Step 2: Convert to fraction form
    740,468.50/1,021,847.26 = 400,935.94/x
  3. Step 3: Cross multiply
    740,468.50x = 1,021,847.26 × 400,935.94
  4. Step 4: Simplify right side
    740,468.50x = 409,695,291,724.52
  5. Step 5: Solve for x
    x = 409,695,291,724.52/740,468.50
  6. Step 6: Final answer
    x = 553,291.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.