Home / 759,723.47-1,139,164.46-310,759.59

Finding the Fourth Proportional to 759,723.47, 1,139,164.46 and 310,759.59

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Solution

The fourth proportional to 759,723.47, 1,139,164.46 and 310,759.59 is: 465,967.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,723.47 : 1,139,164.46 = 310,759.59 : x
  2. Step 2: Convert to fraction form
    759,723.47/1,139,164.46 = 310,759.59/x
  3. Step 3: Cross multiply
    759,723.47x = 1,139,164.46 × 310,759.59
  4. Step 4: Simplify right side
    759,723.47x = 354,006,280,532.17
  5. Step 5: Solve for x
    x = 354,006,280,532.17/759,723.47
  6. Step 6: Final answer
    x = 465,967.28

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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.