Home / 710,858.73-1,066,288.08-284,586.45

Finding the Fourth Proportional to 710,858.73, 1,066,288.08 and 284,586.45

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Solution

The fourth proportional to 710,858.73, 1,066,288.08 and 284,586.45 is: 426,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,858.73 : 1,066,288.08 = 284,586.45 : x
  2. Step 2: Convert to fraction form
    710,858.73/1,066,288.08 = 284,586.45/x
  3. Step 3: Cross multiply
    710,858.73x = 1,066,288.08 × 284,586.45
  4. Step 4: Simplify right side
    710,858.73x = 303,451,139,364.52
  5. Step 5: Solve for x
    x = 303,451,139,364.52/710,858.73
  6. Step 6: Final answer
    x = 426,879.67

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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.