Finding the Fourth Proportional to 958,793.68, 1,438,740.04 and 390,069.84
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Solution
The fourth proportional to 958,793.68, 1,438,740.04 and 390,069.84 is: 585,328.32
Step by Step Solution
- Step 1: Write the proportion equation
958,793.68 : 1,438,740.04 = 390,069.84 : x - Step 2: Convert to fraction form
958,793.68/1,438,740.04 = 390,069.84/x - Step 3: Cross multiply
958,793.68x = 1,438,740.04 × 390,069.84 - Step 4: Simplify right side
958,793.68x = 561,209,097,204.39 - Step 5: Solve for x
x = 561,209,097,204.39/958,793.68 - Step 6: Final answer
x = 585,328.32
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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.