Home / 916,841.28-1,375,271.40-277,150.32

Finding the Fourth Proportional to 916,841.28, 1,375,271.40 and 277,150.32

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Solution

The fourth proportional to 916,841.28, 1,375,271.40 and 277,150.32 is: 415,728.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,841.28 : 1,375,271.40 = 277,150.32 : x
  2. Step 2: Convert to fraction form
    916,841.28/1,375,271.40 = 277,150.32/x
  3. Step 3: Cross multiply
    916,841.28x = 1,375,271.40 × 277,150.32
  4. Step 4: Simplify right side
    916,841.28x = 381,156,908,596.85
  5. Step 5: Solve for x
    x = 381,156,908,596.85/916,841.28
  6. Step 6: Final answer
    x = 415,728.35

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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.