Home / 740,847.56-1,022,368.02-401,318.60

Finding the Fourth Proportional to 740,847.56, 1,022,368.02 and 401,318.60

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Solution

The fourth proportional to 740,847.56, 1,022,368.02 and 401,318.60 is: 553,818.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,847.56 : 1,022,368.02 = 401,318.60 : x
  2. Step 2: Convert to fraction form
    740,847.56/1,022,368.02 = 401,318.60/x
  3. Step 3: Cross multiply
    740,847.56x = 1,022,368.02 × 401,318.60
  4. Step 4: Simplify right side
    740,847.56x = 410,295,302,471.17
  5. Step 5: Solve for x
    x = 410,295,302,471.17/740,847.56
  6. Step 6: Final answer
    x = 553,818.79

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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.