Home / 670,415.78-1,005,621.06-271,051.76

Finding the Fourth Proportional to 670,415.78, 1,005,621.06 and 271,051.76

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Solution

The fourth proportional to 670,415.78, 1,005,621.06 and 271,051.76 is: 406,576.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,415.78 : 1,005,621.06 = 271,051.76 : x
  2. Step 2: Convert to fraction form
    670,415.78/1,005,621.06 = 271,051.76/x
  3. Step 3: Cross multiply
    670,415.78x = 1,005,621.06 × 271,051.76
  4. Step 4: Simplify right side
    670,415.78x = 272,575,358,206.07
  5. Step 5: Solve for x
    x = 272,575,358,206.07/670,415.78
  6. Step 6: Final answer
    x = 406,576.58

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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.