Home / 947,762.24-1,421,643.56-316,676.12

Finding the Fourth Proportional to 947,762.24, 1,421,643.56 and 316,676.12

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Solution

The fourth proportional to 947,762.24, 1,421,643.56 and 316,676.12 is: 475,014.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,762.24 : 1,421,643.56 = 316,676.12 : x
  2. Step 2: Convert to fraction form
    947,762.24/1,421,643.56 = 316,676.12/x
  3. Step 3: Cross multiply
    947,762.24x = 1,421,643.56 × 316,676.12
  4. Step 4: Simplify right side
    947,762.24x = 450,200,557,912.19
  5. Step 5: Solve for x
    x = 450,200,557,912.19/947,762.24
  6. Step 6: Final answer
    x = 475,014.24

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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.