Finding the Fourth Proportional to 668,781.93, 1,002,962.17 and 219,398.08
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Solution
The fourth proportional to 668,781.93, 1,002,962.17 and 219,398.08 is: 329,027.99
Step by Step Solution
- Step 1: Write the proportion equation
668,781.93 : 1,002,962.17 = 219,398.08 : x - Step 2: Convert to fraction form
668,781.93/1,002,962.17 = 219,398.08/x - Step 3: Cross multiply
668,781.93x = 1,002,962.17 × 219,398.08 - Step 4: Simplify right side
668,781.93x = 220,047,974,410.63 - Step 5: Solve for x
x = 220,047,974,410.63/668,781.93 - Step 6: Final answer
x = 329,027.99
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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.