Finding the Fourth Proportional to 659,881.08, 989,743.86 and 519,679.80
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Solution
The fourth proportional to 659,881.08, 989,743.86 and 519,679.80 is: 779,458.46
Step by Step Solution
- Step 1: Write the proportion equation
659,881.08 : 989,743.86 = 519,679.80 : x - Step 2: Convert to fraction form
659,881.08/989,743.86 = 519,679.80/x - Step 3: Cross multiply
659,881.08x = 989,743.86 × 519,679.80 - Step 4: Simplify right side
659,881.08x = 514,349,891,216.03 - Step 5: Solve for x
x = 514,349,891,216.03/659,881.08 - Step 6: Final answer
x = 779,458.46
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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.