Home / 913,783.40-1,370,523.90-306,564.20

Finding the Fourth Proportional to 913,783.40, 1,370,523.90 and 306,564.20

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Solution

The fourth proportional to 913,783.40, 1,370,523.90 and 306,564.20 is: 459,795.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,783.40 : 1,370,523.90 = 306,564.20 : x
  2. Step 2: Convert to fraction form
    913,783.40/1,370,523.90 = 306,564.20/x
  3. Step 3: Cross multiply
    913,783.40x = 1,370,523.90 × 306,564.20
  4. Step 4: Simplify right side
    913,783.40x = 420,153,562,984.38
  5. Step 5: Solve for x
    x = 420,153,562,984.38/913,783.40
  6. Step 6: Final answer
    x = 459,795.57

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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.