Home / 759,914.73-1,139,450.90-310,950.36

Finding the Fourth Proportional to 759,914.73, 1,139,450.90 and 310,950.36

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Solution

The fourth proportional to 759,914.73, 1,139,450.90 and 310,950.36 is: 466,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,914.73 : 1,139,450.90 = 310,950.36 : x
  2. Step 2: Convert to fraction form
    759,914.73/1,139,450.90 = 310,950.36/x
  3. Step 3: Cross multiply
    759,914.73x = 1,139,450.90 × 310,950.36
  4. Step 4: Simplify right side
    759,914.73x = 354,312,666,002.57
  5. Step 5: Solve for x
    x = 354,312,666,002.57/759,914.73
  6. Step 6: Final answer
    x = 466,253.19

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1.5x scale

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.