Home / 779,694.04-1,075,986.75-457,409.62

Finding the Fourth Proportional to 779,694.04, 1,075,986.75 and 457,409.62

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Solution

The fourth proportional to 779,694.04, 1,075,986.75 and 457,409.62 is: 631,230.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,694.04 : 1,075,986.75 = 457,409.62 : x
  2. Step 2: Convert to fraction form
    779,694.04/1,075,986.75 = 457,409.62/x
  3. Step 3: Cross multiply
    779,694.04x = 1,075,986.75 × 457,409.62
  4. Step 4: Simplify right side
    779,694.04x = 492,166,690,442.54
  5. Step 5: Solve for x
    x = 492,166,690,442.54/779,694.04
  6. Step 6: Final answer
    x = 631,230.54

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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.