Home / 889,345.98-1,333,743.75-320,653.89

Finding the Fourth Proportional to 889,345.98, 1,333,743.75 and 320,653.89

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Solution

The fourth proportional to 889,345.98, 1,333,743.75 and 320,653.89 is: 480,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,345.98 : 1,333,743.75 = 320,653.89 : x
  2. Step 2: Convert to fraction form
    889,345.98/1,333,743.75 = 320,653.89/x
  3. Step 3: Cross multiply
    889,345.98x = 1,333,743.75 × 320,653.89
  4. Step 4: Simplify right side
    889,345.98x = 427,670,121,700.69
  5. Step 5: Solve for x
    x = 427,670,121,700.69/889,345.98
  6. Step 6: Final answer
    x = 480,881.60

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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.