Finding the Fourth Proportional to 822,565.32, 1,135,132.38 and 459,985.02
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Solution
The fourth proportional to 822,565.32, 1,135,132.38 and 459,985.02 is: 634,774.99
Step by Step Solution
- Step 1: Write the proportion equation
822,565.32 : 1,135,132.38 = 459,985.02 : x - Step 2: Convert to fraction form
822,565.32/1,135,132.38 = 459,985.02/x - Step 3: Cross multiply
822,565.32x = 1,135,132.38 × 459,985.02 - Step 4: Simplify right side
822,565.32x = 522,143,890,516.95 - Step 5: Solve for x
x = 522,143,890,516.95/822,565.32 - Step 6: Final answer
x = 634,774.99
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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.