Finding the Fourth Proportional to 719,376.64, 1,080,289.68 and 689,283.52
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Solution
The fourth proportional to 719,376.64, 1,080,289.68 and 689,283.52 is: 1,035,098.77
Step by Step Solution
- Step 1: Write the proportion equation
719,376.64 : 1,080,289.68 = 689,283.52 : x - Step 2: Convert to fraction form
719,376.64/1,080,289.68 = 689,283.52/x - Step 3: Cross multiply
719,376.64x = 1,080,289.68 × 689,283.52 - Step 4: Simplify right side
719,376.64x = 744,625,873,250.07 - Step 5: Solve for x
x = 744,625,873,250.07/719,376.64 - Step 6: Final answer
x = 1,035,098.77
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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.