Home / 909,600.30-1,365,384.60-511,019.55

Finding the Fourth Proportional to 909,600.30, 1,365,384.60 and 511,019.55

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Solution

The fourth proportional to 909,600.30, 1,365,384.60 and 511,019.55 is: 767,082.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,600.30 : 1,365,384.60 = 511,019.55 : x
  2. Step 2: Convert to fraction form
    909,600.30/1,365,384.60 = 511,019.55/x
  3. Step 3: Cross multiply
    909,600.30x = 1,365,384.60 × 511,019.55
  4. Step 4: Simplify right side
    909,600.30x = 697,738,223,868.93
  5. Step 5: Solve for x
    x = 697,738,223,868.93/909,600.30
  6. Step 6: Final answer
    x = 767,082.23

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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.