Home / 851,031.32-1,276,663.70-377,706.20

Finding the Fourth Proportional to 851,031.32, 1,276,663.70 and 377,706.20

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Solution

The fourth proportional to 851,031.32, 1,276,663.70 and 377,706.20 is: 566,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,031.32 : 1,276,663.70 = 377,706.20 : x
  2. Step 2: Convert to fraction form
    851,031.32/1,276,663.70 = 377,706.20/x
  3. Step 3: Cross multiply
    851,031.32x = 1,276,663.70 × 377,706.20
  4. Step 4: Simplify right side
    851,031.32x = 482,203,794,804.94
  5. Step 5: Solve for x
    x = 482,203,794,804.94/851,031.32
  6. Step 6: Final answer
    x = 566,611.10

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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.