Home / 628,004.60-942,006.90-603,510.20

Finding the Fourth Proportional to 628,004.60, 942,006.90 and 603,510.20

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Solution

The fourth proportional to 628,004.60, 942,006.90 and 603,510.20 is: 905,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,004.60 : 942,006.90 = 603,510.20 : x
  2. Step 2: Convert to fraction form
    628,004.60/942,006.90 = 603,510.20/x
  3. Step 3: Cross multiply
    628,004.60x = 942,006.90 × 603,510.20
  4. Step 4: Simplify right side
    628,004.60x = 568,510,772,620.38
  5. Step 5: Solve for x
    x = 568,510,772,620.38/628,004.60
  6. Step 6: Final answer
    x = 905,265.30

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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.