Home / 746,029.04-1,119,374.32-390,958.64

Finding the Fourth Proportional to 746,029.04, 1,119,374.32 and 390,958.64

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Solution

The fourth proportional to 746,029.04, 1,119,374.32 and 390,958.64 is: 586,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,029.04 : 1,119,374.32 = 390,958.64 : x
  2. Step 2: Convert to fraction form
    746,029.04/1,119,374.32 = 390,958.64/x
  3. Step 3: Cross multiply
    746,029.04x = 1,119,374.32 × 390,958.64
  4. Step 4: Simplify right side
    746,029.04x = 437,629,061,798.13
  5. Step 5: Solve for x
    x = 437,629,061,798.13/746,029.04
  6. Step 6: Final answer
    x = 586,611.30

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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.