Home / 783,903.70-1,175,563.95-310,491.10

Finding the Fourth Proportional to 783,903.70, 1,175,563.95 and 310,491.10

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Solution

The fourth proportional to 783,903.70, 1,175,563.95 and 310,491.10 is: 465,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,903.70 : 1,175,563.95 = 310,491.10 : x
  2. Step 2: Convert to fraction form
    783,903.70/1,175,563.95 = 310,491.10/x
  3. Step 3: Cross multiply
    783,903.70x = 1,175,563.95 × 310,491.10
  4. Step 4: Simplify right side
    783,903.70x = 365,002,143,955.85
  5. Step 5: Solve for x
    x = 365,002,143,955.85/783,903.70
  6. Step 6: Final answer
    x = 465,621.15

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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.