Home / 697,670.37-962,772.87-391,749.18

Finding the Fourth Proportional to 697,670.37, 962,772.87 and 391,749.18

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Solution

The fourth proportional to 697,670.37, 962,772.87 and 391,749.18 is: 540,607.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,670.37 : 962,772.87 = 391,749.18 : x
  2. Step 2: Convert to fraction form
    697,670.37/962,772.87 = 391,749.18/x
  3. Step 3: Cross multiply
    697,670.37x = 962,772.87 × 391,749.18
  4. Step 4: Simplify right side
    697,670.37x = 377,165,482,348.75
  5. Step 5: Solve for x
    x = 377,165,482,348.75/697,670.37
  6. Step 6: Final answer
    x = 540,607.00

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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.