Finding the Fourth Proportional to 998,147.34, 1,495,805.67 and 772,457.18
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Solution
The fourth proportional to 998,147.34, 1,495,805.67 and 772,457.18 is: 1,157,590.44
Step by Step Solution
- Step 1: Write the proportion equation
998,147.34 : 1,495,805.67 = 772,457.18 : x - Step 2: Convert to fraction form
998,147.34/1,495,805.67 = 772,457.18/x - Step 3: Cross multiply
998,147.34x = 1,495,805.67 × 772,457.18 - Step 4: Simplify right side
998,147.34x = 1,155,445,822,197.18 - Step 5: Solve for x
x = 1,155,445,822,197.18/998,147.34 - Step 6: Final answer
x = 1,157,590.44
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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.