Finding the Fourth Proportional to 745,594.98, 1,028,950.20 and 423,335.13
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Solution
The fourth proportional to 745,594.98, 1,028,950.20 and 423,335.13 is: 584,219.02
Step by Step Solution
- Step 1: Write the proportion equation
745,594.98 : 1,028,950.20 = 423,335.13 : x - Step 2: Convert to fraction form
745,594.98/1,028,950.20 = 423,335.13/x - Step 3: Cross multiply
745,594.98x = 1,028,950.20 × 423,335.13 - Step 4: Simplify right side
745,594.98x = 435,590,766,680.53 - Step 5: Solve for x
x = 435,590,766,680.53/745,594.98 - Step 6: Final answer
x = 584,219.02
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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.