Finding the Fourth Proportional to 698,697.60, 1,047,298.84 and 361,398.68
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Solution
The fourth proportional to 698,697.60, 1,047,298.84 and 361,398.68 is: 541,711.35
Step by Step Solution
- Step 1: Write the proportion equation
698,697.60 : 1,047,298.84 = 361,398.68 : x - Step 2: Convert to fraction form
698,697.60/1,047,298.84 = 361,398.68/x - Step 3: Cross multiply
698,697.60x = 1,047,298.84 × 361,398.68 - Step 4: Simplify right side
698,697.60x = 378,492,418,341.53 - Step 5: Solve for x
x = 378,492,418,341.53/698,697.60 - Step 6: Final answer
x = 541,711.35
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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.