Home / 923,935.55-1,385,941.49-317,140.67

Finding the Fourth Proportional to 923,935.55, 1,385,941.49 and 317,140.67

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Solution

The fourth proportional to 923,935.55, 1,385,941.49 and 317,140.67 is: 475,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,935.55 : 1,385,941.49 = 317,140.67 : x
  2. Step 2: Convert to fraction form
    923,935.55/1,385,941.49 = 317,140.67/x
  3. Step 3: Cross multiply
    923,935.55x = 1,385,941.49 × 317,140.67
  4. Step 4: Simplify right side
    923,935.55x = 439,538,412,719.40
  5. Step 5: Solve for x
    x = 439,538,412,719.40/923,935.55
  6. Step 6: Final answer
    x = 475,724.11

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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.