Finding the Fourth Proportional to 905,134.57, 1,248,946.98 and 523,087.63
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Solution
The fourth proportional to 905,134.57, 1,248,946.98 and 523,087.63 is: 721,780.76
Step by Step Solution
- Step 1: Write the proportion equation
905,134.57 : 1,248,946.98 = 523,087.63 : x - Step 2: Convert to fraction form
905,134.57/1,248,946.98 = 523,087.63/x - Step 3: Cross multiply
905,134.57x = 1,248,946.98 × 523,087.63 - Step 4: Simplify right side
905,134.57x = 653,308,715,763.86 - Step 5: Solve for x
x = 653,308,715,763.86/905,134.57 - Step 6: Final answer
x = 721,780.76
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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.