Home / 456,890.50-630,421.41-295,723.18

Finding the Fourth Proportional to 456,890.50, 630,421.41 and 295,723.18

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Solution

The fourth proportional to 456,890.50, 630,421.41 and 295,723.18 is: 408,041.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,890.50 : 630,421.41 = 295,723.18 : x
  2. Step 2: Convert to fraction form
    456,890.50/630,421.41 = 295,723.18/x
  3. Step 3: Cross multiply
    456,890.50x = 630,421.41 × 295,723.18
  4. Step 4: Simplify right side
    456,890.50x = 186,430,224,105.28
  5. Step 5: Solve for x
    x = 186,430,224,105.28/456,890.50
  6. Step 6: Final answer
    x = 408,041.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.