Home / 708,986.40-1,063,786.80-334,816.80

Finding the Fourth Proportional to 708,986.40, 1,063,786.80 and 334,816.80

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Solution

The fourth proportional to 708,986.40, 1,063,786.80 and 334,816.80 is: 502,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,986.40 : 1,063,786.80 = 334,816.80 : x
  2. Step 2: Convert to fraction form
    708,986.40/1,063,786.80 = 334,816.80/x
  3. Step 3: Cross multiply
    708,986.40x = 1,063,786.80 × 334,816.80
  4. Step 4: Simplify right side
    708,986.40x = 356,173,692,258.24
  5. Step 5: Solve for x
    x = 356,173,692,258.24/708,986.40
  6. Step 6: Final answer
    x = 502,370.27

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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.