Finding the Fourth Proportional to 891,781.16, 1,337,869.98 and 418,214.12
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Solution
The fourth proportional to 891,781.16, 1,337,869.98 and 418,214.12 is: 627,414.15
Step by Step Solution
- Step 1: Write the proportion equation
891,781.16 : 1,337,869.98 = 418,214.12 : x - Step 2: Convert to fraction form
891,781.16/1,337,869.98 = 418,214.12/x - Step 3: Cross multiply
891,781.16x = 1,337,869.98 × 418,214.12 - Step 4: Simplify right side
891,781.16x = 559,516,116,360.12 - Step 5: Solve for x
x = 559,516,116,360.12/891,781.16 - Step 6: Final answer
x = 627,414.15
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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.