Home / 964,992.02-1,331,663.28-557,080.08

Finding the Fourth Proportional to 964,992.02, 1,331,663.28 and 557,080.08

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Solution

The fourth proportional to 964,992.02, 1,331,663.28 and 557,080.08 is: 768,755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,992.02 : 1,331,663.28 = 557,080.08 : x
  2. Step 2: Convert to fraction form
    964,992.02/1,331,663.28 = 557,080.08/x
  3. Step 3: Cross multiply
    964,992.02x = 1,331,663.28 × 557,080.08
  4. Step 4: Simplify right side
    964,992.02x = 741,843,086,555.46
  5. Step 5: Solve for x
    x = 741,843,086,555.46/964,992.02
  6. Step 6: Final answer
    x = 768,755.67

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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.