Home / 738,188.56-1,018,703.70-415,903.60

Finding the Fourth Proportional to 738,188.56, 1,018,703.70 and 415,903.60

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Solution

The fourth proportional to 738,188.56, 1,018,703.70 and 415,903.60 is: 573,948.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,188.56 : 1,018,703.70 = 415,903.60 : x
  2. Step 2: Convert to fraction form
    738,188.56/1,018,703.70 = 415,903.60/x
  3. Step 3: Cross multiply
    738,188.56x = 1,018,703.70 × 415,903.60
  4. Step 4: Simplify right side
    738,188.56x = 423,682,536,163.32
  5. Step 5: Solve for x
    x = 423,682,536,163.32/738,188.56
  6. Step 6: Final answer
    x = 573,948.93

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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.