Home / 874,576.32-1,311,841.44-243,533.76

Finding the Fourth Proportional to 874,576.32, 1,311,841.44 and 243,533.76

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Solution

The fourth proportional to 874,576.32, 1,311,841.44 and 243,533.76 is: 365,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,576.32 : 1,311,841.44 = 243,533.76 : x
  2. Step 2: Convert to fraction form
    874,576.32/1,311,841.44 = 243,533.76/x
  3. Step 3: Cross multiply
    874,576.32x = 1,311,841.44 × 243,533.76
  4. Step 4: Simplify right side
    874,576.32x = 319,477,678,407.01
  5. Step 5: Solve for x
    x = 319,477,678,407.01/874,576.32
  6. Step 6: Final answer
    x = 365,294.22

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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.