Finding the Fourth Proportional to 868,116.90, 1,301,737.95 and 513,239.70
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Solution
The fourth proportional to 868,116.90, 1,301,737.95 and 513,239.70 is: 769,600.95
Step by Step Solution
- Step 1: Write the proportion equation
868,116.90 : 1,301,737.95 = 513,239.70 : x - Step 2: Convert to fraction form
868,116.90/1,301,737.95 = 513,239.70/x - Step 3: Cross multiply
868,116.90x = 1,301,737.95 × 513,239.70 - Step 4: Simplify right side
868,116.90x = 668,103,594,936.62 - Step 5: Solve for x
x = 668,103,594,936.62/868,116.90 - Step 6: Final answer
x = 769,600.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.