Finding the Fourth Proportional to 847,830.57, 1,272,824.99 and 549,559.29
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Solution
The fourth proportional to 847,830.57, 1,272,824.99 and 549,559.29 is: 825,038.42
Step by Step Solution
- Step 1: Write the proportion equation
847,830.57 : 1,272,824.99 = 549,559.29 : x - Step 2: Convert to fraction form
847,830.57/1,272,824.99 = 549,559.29/x - Step 3: Cross multiply
847,830.57x = 1,272,824.99 × 549,559.29 - Step 4: Simplify right side
847,830.57x = 699,492,795,050.86 - Step 5: Solve for x
x = 699,492,795,050.86/847,830.57 - Step 6: Final answer
x = 825,038.42
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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.