Home / 965,587.80-1,448,381.70-255,687.60

Finding the Fourth Proportional to 965,587.80, 1,448,381.70 and 255,687.60

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Solution

The fourth proportional to 965,587.80, 1,448,381.70 and 255,687.60 is: 383,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,587.80 : 1,448,381.70 = 255,687.60 : x
  2. Step 2: Convert to fraction form
    965,587.80/1,448,381.70 = 255,687.60/x
  3. Step 3: Cross multiply
    965,587.80x = 1,448,381.70 × 255,687.60
  4. Step 4: Simplify right side
    965,587.80x = 370,333,240,756.92
  5. Step 5: Solve for x
    x = 370,333,240,756.92/965,587.80
  6. Step 6: Final answer
    x = 383,531.40

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Double scale
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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.