Finding the Fourth Proportional to 950,868.21, 1,312,138.67 and 521,117.85
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Solution
The fourth proportional to 950,868.21, 1,312,138.67 and 521,117.85 is: 719,110.04
Step by Step Solution
- Step 1: Write the proportion equation
950,868.21 : 1,312,138.67 = 521,117.85 : x - Step 2: Convert to fraction form
950,868.21/1,312,138.67 = 521,117.85/x - Step 3: Cross multiply
950,868.21x = 1,312,138.67 × 521,117.85 - Step 4: Simplify right side
950,868.21x = 683,778,880,006.67 - Step 5: Solve for x
x = 683,778,880,006.67/950,868.21 - Step 6: Final answer
x = 719,110.04
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.