Home / 713,867.06-1,070,685.71-208,309.34

Finding the Fourth Proportional to 713,867.06, 1,070,685.71 and 208,309.34

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Solution

The fourth proportional to 713,867.06, 1,070,685.71 and 208,309.34 is: 312,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,867.06 : 1,070,685.71 = 208,309.34 : x
  2. Step 2: Convert to fraction form
    713,867.06/1,070,685.71 = 208,309.34/x
  3. Step 3: Cross multiply
    713,867.06x = 1,070,685.71 × 208,309.34
  4. Step 4: Simplify right side
    713,867.06x = 223,033,835,232.70
  5. Step 5: Solve for x
    x = 223,033,835,232.70/713,867.06
  6. Step 6: Final answer
    x = 312,430.49

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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.