Home / 1,009,825.30-1,393,510.25-550,912.57

Finding the Fourth Proportional to 1,009,825.30, 1,393,510.25 and 550,912.57

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Solution

The fourth proportional to 1,009,825.30, 1,393,510.25 and 550,912.57 is: 760,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,825.30 : 1,393,510.25 = 550,912.57 : x
  2. Step 2: Convert to fraction form
    1,009,825.30/1,393,510.25 = 550,912.57/x
  3. Step 3: Cross multiply
    1,009,825.30x = 1,393,510.25 × 550,912.57
  4. Step 4: Simplify right side
    1,009,825.30x = 767,702,311,730.99
  5. Step 5: Solve for x
    x = 767,702,311,730.99/1,009,825.30
  6. Step 6: Final answer
    x = 760,232.80

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1.5x scale

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.