Home / 649,389.84-973,851.20-379,610.16

Finding the Fourth Proportional to 649,389.84, 973,851.20 and 379,610.16

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Solution

The fourth proportional to 649,389.84, 973,851.20 and 379,610.16 is: 569,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,389.84 : 973,851.20 = 379,610.16 : x
  2. Step 2: Convert to fraction form
    649,389.84/973,851.20 = 379,610.16/x
  3. Step 3: Cross multiply
    649,389.84x = 973,851.20 × 379,610.16
  4. Step 4: Simplify right side
    649,389.84x = 369,683,809,848.19
  5. Step 5: Solve for x
    x = 369,683,809,848.19/649,389.84
  6. Step 6: Final answer
    x = 569,278.71

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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.