Finding the Fourth Proportional to 913,899.12, 1,371,135.46 and 549,580.04
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Solution
The fourth proportional to 913,899.12, 1,371,135.46 and 549,580.04 is: 824,542.52
Step by Step Solution
- Step 1: Write the proportion equation
913,899.12 : 1,371,135.46 = 549,580.04 : x - Step 2: Convert to fraction form
913,899.12/1,371,135.46 = 549,580.04/x - Step 3: Cross multiply
913,899.12x = 1,371,135.46 × 549,580.04 - Step 4: Simplify right side
913,899.12x = 753,548,680,952.22 - Step 5: Solve for x
x = 753,548,680,952.22/913,899.12 - Step 6: Final answer
x = 824,542.52
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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.