Home / 742,578.08-1,024,722.29-456,042.81

Finding the Fourth Proportional to 742,578.08, 1,024,722.29 and 456,042.81

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Solution

The fourth proportional to 742,578.08, 1,024,722.29 and 456,042.81 is: 629,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,578.08 : 1,024,722.29 = 456,042.81 : x
  2. Step 2: Convert to fraction form
    742,578.08/1,024,722.29 = 456,042.81/x
  3. Step 3: Cross multiply
    742,578.08x = 1,024,722.29 × 456,042.81
  4. Step 4: Simplify right side
    742,578.08x = 467,317,231,819.99
  5. Step 5: Solve for x
    x = 467,317,231,819.99/742,578.08
  6. Step 6: Final answer
    x = 629,317.30

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1.5x scale

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.