Finding the Fourth Proportional to 803,804.05, 1,109,209.49 and 464,252.05
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Solution
The fourth proportional to 803,804.05, 1,109,209.49 and 464,252.05 is: 640,644.67
Step by Step Solution
- Step 1: Write the proportion equation
803,804.05 : 1,109,209.49 = 464,252.05 : x - Step 2: Convert to fraction form
803,804.05/1,109,209.49 = 464,252.05/x - Step 3: Cross multiply
803,804.05x = 1,109,209.49 × 464,252.05 - Step 4: Simplify right side
803,804.05x = 514,952,774,065.91 - Step 5: Solve for x
x = 514,952,774,065.91/803,804.05 - Step 6: Final answer
x = 640,644.67
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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.