Finding the Fourth Proportional to 554,587.14, 765,337.62 and 312,868.95
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Solution
The fourth proportional to 554,587.14, 765,337.62 and 312,868.95 is: 431,763.31
Step by Step Solution
- Step 1: Write the proportion equation
554,587.14 : 765,337.62 = 312,868.95 : x - Step 2: Convert to fraction form
554,587.14/765,337.62 = 312,868.95/x - Step 3: Cross multiply
554,587.14x = 765,337.62 × 312,868.95 - Step 4: Simplify right side
554,587.14x = 239,450,377,564.90 - Step 5: Solve for x
x = 239,450,377,564.90/554,587.14 - Step 6: Final answer
x = 431,763.31
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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.