Home / 988,748.37-1,364,509.44-559,002.87

Finding the Fourth Proportional to 988,748.37, 1,364,509.44 and 559,002.87

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Solution

The fourth proportional to 988,748.37, 1,364,509.44 and 559,002.87 is: 771,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,748.37 : 1,364,509.44 = 559,002.87 : x
  2. Step 2: Convert to fraction form
    988,748.37/1,364,509.44 = 559,002.87/x
  3. Step 3: Cross multiply
    988,748.37x = 1,364,509.44 × 559,002.87
  4. Step 4: Simplify right side
    988,748.37x = 762,764,693,102.09
  5. Step 5: Solve for x
    x = 762,764,693,102.09/988,748.37
  6. Step 6: Final answer
    x = 771,444.70

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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.