Home / 759,747.46-1,139,200.46-310,783.60

Finding the Fourth Proportional to 759,747.46, 1,139,200.46 and 310,783.60

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Solution

The fourth proportional to 759,747.46, 1,139,200.46 and 310,783.60 is: 466,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,747.46 : 1,139,200.46 = 310,783.60 : x
  2. Step 2: Convert to fraction form
    759,747.46/1,139,200.46 = 310,783.60/x
  3. Step 3: Cross multiply
    759,747.46x = 1,139,200.46 × 310,783.60
  4. Step 4: Simplify right side
    759,747.46x = 354,044,820,080.46
  5. Step 5: Solve for x
    x = 354,044,820,080.46/759,747.46
  6. Step 6: Final answer
    x = 466,003.30

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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.