Home / 669,140.64-923,437.84-367,357.60

Finding the Fourth Proportional to 669,140.64, 923,437.84 and 367,357.60

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Solution

The fourth proportional to 669,140.64, 923,437.84 and 367,357.60 is: 506,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,140.64 : 923,437.84 = 367,357.60 : x
  2. Step 2: Convert to fraction form
    669,140.64/923,437.84 = 367,357.60/x
  3. Step 3: Cross multiply
    669,140.64x = 923,437.84 × 367,357.60
  4. Step 4: Simplify right side
    669,140.64x = 339,231,908,651.58
  5. Step 5: Solve for x
    x = 339,231,908,651.58/669,140.64
  6. Step 6: Final answer
    x = 506,966.53

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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.