Home / 745,362.44-1,028,607.54-427,349

Finding the Fourth Proportional to 745,362.44, 1,028,607.54 and 427,349

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Solution

The fourth proportional to 745,362.44, 1,028,607.54 and 427,349 is: 589,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,362.44 : 1,028,607.54 = 427,349 : x
  2. Step 2: Convert to fraction form
    745,362.44/1,028,607.54 = 427,349/x
  3. Step 3: Cross multiply
    745,362.44x = 1,028,607.54 × 427,349
  4. Step 4: Simplify right side
    745,362.44x = 439,574,403,611.46
  5. Step 5: Solve for x
    x = 439,574,403,611.46/745,362.44
  6. Step 6: Final answer
    x = 589,745.85

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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.