Home / 749,608.64-1,123,629.60-328,529.60

Finding the Fourth Proportional to 749,608.64, 1,123,629.60 and 328,529.60

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Solution

The fourth proportional to 749,608.64, 1,123,629.60 and 328,529.60 is: 492,451.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,608.64 : 1,123,629.60 = 328,529.60 : x
  2. Step 2: Convert to fraction form
    749,608.64/1,123,629.60 = 328,529.60/x
  3. Step 3: Cross multiply
    749,608.64x = 1,123,629.60 × 328,529.60
  4. Step 4: Simplify right side
    749,608.64x = 369,145,583,036.16
  5. Step 5: Solve for x
    x = 369,145,583,036.16/749,608.64
  6. Step 6: Final answer
    x = 492,451.08

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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.