Finding the Fourth Proportional to 745,329.10, 1,028,585.06 and 423,069.18
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Solution
The fourth proportional to 745,329.10, 1,028,585.06 and 423,069.18 is: 583,853.00
Step by Step Solution
- Step 1: Write the proportion equation
745,329.10 : 1,028,585.06 = 423,069.18 : x - Step 2: Convert to fraction form
745,329.10/1,028,585.06 = 423,069.18/x - Step 3: Cross multiply
745,329.10x = 1,028,585.06 × 423,069.18 - Step 4: Simplify right side
745,329.10x = 435,162,630,636.18 - Step 5: Solve for x
x = 435,162,630,636.18/745,329.10 - Step 6: Final answer
x = 583,853.00
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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.