Finding the Fourth Proportional to 972,930.24, 1,342,867.68 and 570,651.84
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Solution
The fourth proportional to 972,930.24, 1,342,867.68 and 570,651.84 is: 787,630.89
Step by Step Solution
- Step 1: Write the proportion equation
972,930.24 : 1,342,867.68 = 570,651.84 : x - Step 2: Convert to fraction form
972,930.24/1,342,867.68 = 570,651.84/x - Step 3: Cross multiply
972,930.24x = 1,342,867.68 × 570,651.84 - Step 4: Simplify right side
972,930.24x = 766,309,912,468.53 - Step 5: Solve for x
x = 766,309,912,468.53/972,930.24 - Step 6: Final answer
x = 787,630.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.