Home / 735,420.46-1,103,133.60-486,047.02

Finding the Fourth Proportional to 735,420.46, 1,103,133.60 and 486,047.02

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Solution

The fourth proportional to 735,420.46, 1,103,133.60 and 486,047.02 is: 729,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,420.46 : 1,103,133.60 = 486,047.02 : x
  2. Step 2: Convert to fraction form
    735,420.46/1,103,133.60 = 486,047.02/x
  3. Step 3: Cross multiply
    735,420.46x = 1,103,133.60 × 486,047.02
  4. Step 4: Simplify right side
    735,420.46x = 536,174,798,941.87
  5. Step 5: Solve for x
    x = 536,174,798,941.87/735,420.46
  6. Step 6: Final answer
    x = 729,072.45

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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.