Finding the Fourth Proportional to 983,537.68, 1,357,280.04 and 553,819.60
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Solution
The fourth proportional to 983,537.68, 1,357,280.04 and 553,819.60 is: 764,269.95
Step by Step Solution
- Step 1: Write the proportion equation
983,537.68 : 1,357,280.04 = 553,819.60 : x - Step 2: Convert to fraction form
983,537.68/1,357,280.04 = 553,819.60/x - Step 3: Cross multiply
983,537.68x = 1,357,280.04 × 553,819.60 - Step 4: Simplify right side
983,537.68x = 751,688,288,840.78 - Step 5: Solve for x
x = 751,688,288,840.78/983,537.68 - Step 6: Final answer
x = 764,269.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.