Finding the Fourth Proportional to 999,841.08, 1,379,746.38 and 570,259.62
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Solution
The fourth proportional to 999,841.08, 1,379,746.38 and 570,259.62 is: 786,938.71
Step by Step Solution
- Step 1: Write the proportion equation
999,841.08 : 1,379,746.38 = 570,259.62 : x - Step 2: Convert to fraction form
999,841.08/1,379,746.38 = 570,259.62/x - Step 3: Cross multiply
999,841.08x = 1,379,746.38 × 570,259.62 - Step 4: Simplify right side
999,841.08x = 786,813,646,355.18 - Step 5: Solve for x
x = 786,813,646,355.18/999,841.08 - Step 6: Final answer
x = 786,938.71
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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.