Home / 759,688.14-1,139,111.56-310,724.33

Finding the Fourth Proportional to 759,688.14, 1,139,111.56 and 310,724.33

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Solution

The fourth proportional to 759,688.14, 1,139,111.56 and 310,724.33 is: 465,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,688.14 : 1,139,111.56 = 310,724.33 : x
  2. Step 2: Convert to fraction form
    759,688.14/1,139,111.56 = 310,724.33/x
  3. Step 3: Cross multiply
    759,688.14x = 1,139,111.56 × 310,724.33
  4. Step 4: Simplify right side
    759,688.14x = 353,949,676,276.26
  5. Step 5: Solve for x
    x = 353,949,676,276.26/759,688.14
  6. Step 6: Final answer
    x = 465,914.44

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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.