Home / 692,313.48-1,038,289.23-205,864.64

Finding the Fourth Proportional to 692,313.48, 1,038,289.23 and 205,864.64

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Solution

The fourth proportional to 692,313.48, 1,038,289.23 and 205,864.64 is: 308,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,313.48 : 1,038,289.23 = 205,864.64 : x
  2. Step 2: Convert to fraction form
    692,313.48/1,038,289.23 = 205,864.64/x
  3. Step 3: Cross multiply
    692,313.48x = 1,038,289.23 × 205,864.64
  4. Step 4: Simplify right side
    692,313.48x = 213,747,033,358.38
  5. Step 5: Solve for x
    x = 213,747,033,358.38/692,313.48
  6. Step 6: Final answer
    x = 308,743.13

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1.5x scale

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.