Finding the Fourth Proportional to 749,209.26, 1,033,885.71 and 458,931.18
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Solution
The fourth proportional to 749,209.26, 1,033,885.71 and 458,931.18 is: 633,310.90
Step by Step Solution
- Step 1: Write the proportion equation
749,209.26 : 1,033,885.71 = 458,931.18 : x - Step 2: Convert to fraction form
749,209.26/1,033,885.71 = 458,931.18/x - Step 3: Cross multiply
749,209.26x = 1,033,885.71 × 458,931.18 - Step 4: Simplify right side
749,209.26x = 474,482,388,875.44 - Step 5: Solve for x
x = 474,482,388,875.44/749,209.26 - Step 6: Final answer
x = 633,310.90
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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.