Home / 745,345.44-1,116,574.74-446,061.78

Finding the Fourth Proportional to 745,345.44, 1,116,574.74 and 446,061.78

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Solution

The fourth proportional to 745,345.44, 1,116,574.74 and 446,061.78 is: 668,228.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,345.44 : 1,116,574.74 = 446,061.78 : x
  2. Step 2: Convert to fraction form
    745,345.44/1,116,574.74 = 446,061.78/x
  3. Step 3: Cross multiply
    745,345.44x = 1,116,574.74 × 446,061.78
  4. Step 4: Simplify right side
    745,345.44x = 498,061,316,027.44
  5. Step 5: Solve for x
    x = 498,061,316,027.44/745,345.44
  6. Step 6: Final answer
    x = 668,228.84

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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.