Finding the Fourth Proportional to 554,981.81, 765,877.28 and 300,332.99
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Solution
The fourth proportional to 554,981.81, 765,877.28 and 300,332.99 is: 414,460.82
Step by Step Solution
- Step 1: Write the proportion equation
554,981.81 : 765,877.28 = 300,332.99 : x - Step 2: Convert to fraction form
554,981.81/765,877.28 = 300,332.99/x - Step 3: Cross multiply
554,981.81x = 765,877.28 × 300,332.99 - Step 4: Simplify right side
554,981.81x = 230,018,213,888.50 - Step 5: Solve for x
x = 230,018,213,888.50/554,981.81 - Step 6: Final answer
x = 414,460.82
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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.