Home / 917,369.65-1,376,054.48-908,512.30

Finding the Fourth Proportional to 917,369.65, 1,376,054.48 and 908,512.30

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Solution

The fourth proportional to 917,369.65, 1,376,054.48 and 908,512.30 is: 1,362,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,369.65 : 1,376,054.48 = 908,512.30 : x
  2. Step 2: Convert to fraction form
    917,369.65/1,376,054.48 = 908,512.30/x
  3. Step 3: Cross multiply
    917,369.65x = 1,376,054.48 × 908,512.30
  4. Step 4: Simplify right side
    917,369.65x = 1,250,162,420,550.10
  5. Step 5: Solve for x
    x = 1,250,162,420,550.10/917,369.65
  6. Step 6: Final answer
    x = 1,362,768.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.