Finding the Fourth Proportional to 745,070.04, 1,028,394.42 and 458,830.12
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Solution
The fourth proportional to 745,070.04, 1,028,394.42 and 458,830.12 is: 633,307.35
Step by Step Solution
- Step 1: Write the proportion equation
745,070.04 : 1,028,394.42 = 458,830.12 : x - Step 2: Convert to fraction form
745,070.04/1,028,394.42 = 458,830.12/x - Step 3: Cross multiply
745,070.04x = 1,028,394.42 × 458,830.12 - Step 4: Simplify right side
745,070.04x = 471,858,335,135.93 - Step 5: Solve for x
x = 471,858,335,135.93/745,070.04 - Step 6: Final answer
x = 633,307.35
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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.