Home / 697,152.84-962,090.08-391,247.98

Finding the Fourth Proportional to 697,152.84, 962,090.08 and 391,247.98

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Solution

The fourth proportional to 697,152.84, 962,090.08 and 391,247.98 is: 539,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,152.84 : 962,090.08 = 391,247.98 : x
  2. Step 2: Convert to fraction form
    697,152.84/962,090.08 = 391,247.98/x
  3. Step 3: Cross multiply
    697,152.84x = 962,090.08 × 391,247.98
  4. Step 4: Simplify right side
    697,152.84x = 376,415,800,378.04
  5. Step 5: Solve for x
    x = 376,415,800,378.04/697,152.84
  6. Step 6: Final answer
    x = 539,932.97

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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.