Home / 669,072.02-923,320.40-363,148.52

Finding the Fourth Proportional to 669,072.02, 923,320.40 and 363,148.52

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Solution

The fourth proportional to 669,072.02, 923,320.40 and 363,148.52 is: 501,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,072.02 : 923,320.40 = 363,148.52 : x
  2. Step 2: Convert to fraction form
    669,072.02/923,320.40 = 363,148.52/x
  3. Step 3: Cross multiply
    669,072.02x = 923,320.40 × 363,148.52
  4. Step 4: Simplify right side
    669,072.02x = 335,302,430,313.46
  5. Step 5: Solve for x
    x = 335,302,430,313.46/669,072.02
  6. Step 6: Final answer
    x = 501,145.50

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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.