Home / 786,468.27-1,085,309.99-437,600.93

Finding the Fourth Proportional to 786,468.27, 1,085,309.99 and 437,600.93

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Solution

The fourth proportional to 786,468.27, 1,085,309.99 and 437,600.93 is: 603,880.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,468.27 : 1,085,309.99 = 437,600.93 : x
  2. Step 2: Convert to fraction form
    786,468.27/1,085,309.99 = 437,600.93/x
  3. Step 3: Cross multiply
    786,468.27x = 1,085,309.99 × 437,600.93
  4. Step 4: Simplify right side
    786,468.27x = 474,932,653,347.74
  5. Step 5: Solve for x
    x = 474,932,653,347.74/786,468.27
  6. Step 6: Final answer
    x = 603,880.25

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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.