Finding the Fourth Proportional to 517,149.12, 713,688.94 and 430,963.91
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Solution
The fourth proportional to 517,149.12, 713,688.94 and 430,963.91 is: 594,749.49
Step by Step Solution
- Step 1: Write the proportion equation
517,149.12 : 713,688.94 = 430,963.91 : x - Step 2: Convert to fraction form
517,149.12/713,688.94 = 430,963.91/x - Step 3: Cross multiply
517,149.12x = 713,688.94 × 430,963.91 - Step 4: Simplify right side
517,149.12x = 307,574,175,752.75 - Step 5: Solve for x
x = 307,574,175,752.75/517,149.12 - Step 6: Final answer
x = 594,749.49
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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.