Home / 907,747.65-1,361,227.77-308,547.90

Finding the Fourth Proportional to 907,747.65, 1,361,227.77 and 308,547.90

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Solution

The fourth proportional to 907,747.65, 1,361,227.77 and 308,547.90 is: 462,688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,747.65 : 1,361,227.77 = 308,547.90 : x
  2. Step 2: Convert to fraction form
    907,747.65/1,361,227.77 = 308,547.90/x
  3. Step 3: Cross multiply
    907,747.65x = 1,361,227.77 × 308,547.90
  4. Step 4: Simplify right side
    907,747.65x = 420,003,969,855.18
  5. Step 5: Solve for x
    x = 420,003,969,855.18/907,747.65
  6. Step 6: Final answer
    x = 462,688.03

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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.