Home / 929,669.56-1,282,890.06-521,733.30

Finding the Fourth Proportional to 929,669.56, 1,282,890.06 and 521,733.30

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Solution

The fourth proportional to 929,669.56, 1,282,890.06 and 521,733.30 is: 719,961.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,669.56 : 1,282,890.06 = 521,733.30 : x
  2. Step 2: Convert to fraction form
    929,669.56/1,282,890.06 = 521,733.30/x
  3. Step 3: Cross multiply
    929,669.56x = 1,282,890.06 × 521,733.30
  4. Step 4: Simplify right side
    929,669.56x = 669,326,464,541.00
  5. Step 5: Solve for x
    x = 669,326,464,541.00/929,669.56
  6. Step 6: Final answer
    x = 719,961.69

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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.