Finding the Fourth Proportional to 751,078.53, 1,125,263.23 and 462,387.74
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Solution
The fourth proportional to 751,078.53, 1,125,263.23 and 462,387.74 is: 692,747.70
Step by Step Solution
- Step 1: Write the proportion equation
751,078.53 : 1,125,263.23 = 462,387.74 : x - Step 2: Convert to fraction form
751,078.53/1,125,263.23 = 462,387.74/x - Step 3: Cross multiply
751,078.53x = 1,125,263.23 × 462,387.74 - Step 4: Simplify right side
751,078.53x = 520,307,926,525.42 - Step 5: Solve for x
x = 520,307,926,525.42/751,078.53 - Step 6: Final answer
x = 692,747.70
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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.