Home / 807,840.02-1,211,790.76-302,347.78

Finding the Fourth Proportional to 807,840.02, 1,211,790.76 and 302,347.78

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Solution

The fourth proportional to 807,840.02, 1,211,790.76 and 302,347.78 is: 453,533.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,840.02 : 1,211,790.76 = 302,347.78 : x
  2. Step 2: Convert to fraction form
    807,840.02/1,211,790.76 = 302,347.78/x
  3. Step 3: Cross multiply
    807,840.02x = 1,211,790.76 × 302,347.78
  4. Step 4: Simplify right side
    807,840.02x = 366,382,246,110.51
  5. Step 5: Solve for x
    x = 366,382,246,110.51/807,840.02
  6. Step 6: Final answer
    x = 453,533.17

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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.