Finding the Fourth Proportional to 553,147.18, 763,417.11 and 323,774.62
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Solution
The fourth proportional to 553,147.18, 763,417.11 and 323,774.62 is: 446,852.29
Step by Step Solution
- Step 1: Write the proportion equation
553,147.18 : 763,417.11 = 323,774.62 : x - Step 2: Convert to fraction form
553,147.18/763,417.11 = 323,774.62/x - Step 3: Cross multiply
553,147.18x = 763,417.11 × 323,774.62 - Step 4: Simplify right side
553,147.18x = 247,175,084,691.75 - Step 5: Solve for x
x = 247,175,084,691.75/553,147.18 - Step 6: Final answer
x = 446,852.29
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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.