Finding the Fourth Proportional to 905,177.82, 1,249,006.68 and 523,130.88
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Solution
The fourth proportional to 905,177.82, 1,249,006.68 and 523,130.88 is: 721,840.45
Step by Step Solution
- Step 1: Write the proportion equation
905,177.82 : 1,249,006.68 = 523,130.88 : x - Step 2: Convert to fraction form
905,177.82/1,249,006.68 = 523,130.88/x - Step 3: Cross multiply
905,177.82x = 1,249,006.68 × 523,130.88 - Step 4: Simplify right side
905,177.82x = 653,393,963,634.28 - Step 5: Solve for x
x = 653,393,963,634.28/905,177.82 - Step 6: Final answer
x = 721,840.45
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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.