Home / 745,223.25-1,028,410.52-405,693.93

Finding the Fourth Proportional to 745,223.25, 1,028,410.52 and 405,693.93

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Solution

The fourth proportional to 745,223.25, 1,028,410.52 and 405,693.93 is: 559,858.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,223.25 : 1,028,410.52 = 405,693.93 : x
  2. Step 2: Convert to fraction form
    745,223.25/1,028,410.52 = 405,693.93/x
  3. Step 3: Cross multiply
    745,223.25x = 1,028,410.52 × 405,693.93
  4. Step 4: Simplify right side
    745,223.25x = 417,219,903,483.67
  5. Step 5: Solve for x
    x = 417,219,903,483.67/745,223.25
  6. Step 6: Final answer
    x = 559,858.95

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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.