Finding the Fourth Proportional to 745,576.98, 1,028,925.36 and 423,317.07
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Solution
The fourth proportional to 745,576.98, 1,028,925.36 and 423,317.07 is: 584,194.09
Step by Step Solution
- Step 1: Write the proportion equation
745,576.98 : 1,028,925.36 = 423,317.07 : x - Step 2: Convert to fraction form
745,576.98/1,028,925.36 = 423,317.07/x - Step 3: Cross multiply
745,576.98x = 1,028,925.36 × 423,317.07 - Step 4: Simplify right side
745,576.98x = 435,561,668,643.90 - Step 5: Solve for x
x = 435,561,668,643.90/745,576.98 - Step 6: Final answer
x = 584,194.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.