Home / 419,364.02-578,711.73-240,504.50

Finding the Fourth Proportional to 419,364.02, 578,711.73 and 240,504.50

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Solution

The fourth proportional to 419,364.02, 578,711.73 and 240,504.50 is: 331,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,364.02 : 578,711.73 = 240,504.50 : x
  2. Step 2: Convert to fraction form
    419,364.02/578,711.73 = 240,504.50/x
  3. Step 3: Cross multiply
    419,364.02x = 578,711.73 × 240,504.50
  4. Step 4: Simplify right side
    419,364.02x = 139,182,775,267.79
  5. Step 5: Solve for x
    x = 139,182,775,267.79/419,364.02
  6. Step 6: Final answer
    x = 331,890.12

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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.