Home / 829,870.84-1,145,330.89-467,365.56

Finding the Fourth Proportional to 829,870.84, 1,145,330.89 and 467,365.56

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Solution

The fourth proportional to 829,870.84, 1,145,330.89 and 467,365.56 is: 645,025.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,870.84 : 1,145,330.89 = 467,365.56 : x
  2. Step 2: Convert to fraction form
    829,870.84/1,145,330.89 = 467,365.56/x
  3. Step 3: Cross multiply
    829,870.84x = 1,145,330.89 × 467,365.56
  4. Step 4: Simplify right side
    829,870.84x = 535,288,213,769.23
  5. Step 5: Solve for x
    x = 535,288,213,769.23/829,870.84
  6. Step 6: Final answer
    x = 645,025.94

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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.