Home / 855,376.40-1,283,064.60-356,675.60

Finding the Fourth Proportional to 855,376.40, 1,283,064.60 and 356,675.60

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Solution

The fourth proportional to 855,376.40, 1,283,064.60 and 356,675.60 is: 535,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,376.40 : 1,283,064.60 = 356,675.60 : x
  2. Step 2: Convert to fraction form
    855,376.40/1,283,064.60 = 356,675.60/x
  3. Step 3: Cross multiply
    855,376.40x = 1,283,064.60 × 356,675.60
  4. Step 4: Simplify right side
    855,376.40x = 457,637,836,043.76
  5. Step 5: Solve for x
    x = 457,637,836,043.76/855,376.40
  6. Step 6: Final answer
    x = 535,013.40

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Similar ratio
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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.