Home / 761,238.78-1,142,113.10-248,927.54

Finding the Fourth Proportional to 761,238.78, 1,142,113.10 and 248,927.54

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Solution

The fourth proportional to 761,238.78, 1,142,113.10 and 248,927.54 is: 373,474.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,238.78 : 1,142,113.10 = 248,927.54 : x
  2. Step 2: Convert to fraction form
    761,238.78/1,142,113.10 = 248,927.54/x
  3. Step 3: Cross multiply
    761,238.78x = 1,142,113.10 × 248,927.54
  4. Step 4: Simplify right side
    761,238.78x = 284,303,404,384.77
  5. Step 5: Solve for x
    x = 284,303,404,384.77/761,238.78
  6. Step 6: Final answer
    x = 373,474.67

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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.