Finding the Fourth Proportional to 745,585.98, 1,028,937.78 and 423,326.09
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Solution
The fourth proportional to 745,585.98, 1,028,937.78 and 423,326.09 is: 584,206.54
Step by Step Solution
- Step 1: Write the proportion equation
745,585.98 : 1,028,937.78 = 423,326.09 : x - Step 2: Convert to fraction form
745,585.98/1,028,937.78 = 423,326.09/x - Step 3: Cross multiply
745,585.98x = 1,028,937.78 × 423,326.09 - Step 4: Simplify right side
745,585.98x = 435,576,202,115.99 - Step 5: Solve for x
x = 435,576,202,115.99/745,585.98 - Step 6: Final answer
x = 584,206.54
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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.