Finding the Fourth Proportional to 756,972.79, 1,137,422.01 and 569,202.44
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Solution
The fourth proportional to 756,972.79, 1,137,422.01 and 569,202.44 is: 855,279.59
Step by Step Solution
- Step 1: Write the proportion equation
756,972.79 : 1,137,422.01 = 569,202.44 : x - Step 2: Convert to fraction form
756,972.79/1,137,422.01 = 569,202.44/x - Step 3: Cross multiply
756,972.79x = 1,137,422.01 × 569,202.44 - Step 4: Simplify right side
756,972.79x = 647,423,377,714.59 - Step 5: Solve for x
x = 647,423,377,714.59/756,972.79 - Step 6: Final answer
x = 855,279.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.