Home / 947,261.97-1,421,573.63-378,316.94

Finding the Fourth Proportional to 947,261.97, 1,421,573.63 and 378,316.94

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Solution

The fourth proportional to 947,261.97, 1,421,573.63 and 378,316.94 is: 567,747.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,261.97 : 1,421,573.63 = 378,316.94 : x
  2. Step 2: Convert to fraction form
    947,261.97/1,421,573.63 = 378,316.94/x
  3. Step 3: Cross multiply
    947,261.97x = 1,421,573.63 × 378,316.94
  4. Step 4: Simplify right side
    947,261.97x = 537,805,376,686.84
  5. Step 5: Solve for x
    x = 537,805,376,686.84/947,261.97
  6. Step 6: Final answer
    x = 567,747.25

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Double scale
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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.