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Finding the Fourth Proportional to 525,206.70, 723,913.92 and 372,048.30

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Solution

The fourth proportional to 525,206.70, 723,913.92 and 372,048.30 is: 512,809.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,206.70 : 723,913.92 = 372,048.30 : x
  2. Step 2: Convert to fraction form
    525,206.70/723,913.92 = 372,048.30/x
  3. Step 3: Cross multiply
    525,206.70x = 723,913.92 × 372,048.30
  4. Step 4: Simplify right side
    525,206.70x = 269,330,943,282.34
  5. Step 5: Solve for x
    x = 269,330,943,282.34/525,206.70
  6. Step 6: Final answer
    x = 512,809.42

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1.5x scale

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.