Finding the Fourth Proportional to 623,389.26, 859,878.27 and 432,332.94
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Solution
The fourth proportional to 623,389.26, 859,878.27 and 432,332.94 is: 596,342.81
Step by Step Solution
- Step 1: Write the proportion equation
623,389.26 : 859,878.27 = 432,332.94 : x - Step 2: Convert to fraction form
623,389.26/859,878.27 = 432,332.94/x - Step 3: Cross multiply
623,389.26x = 859,878.27 × 432,332.94 - Step 4: Simplify right side
623,389.26x = 371,753,700,511.21 - Step 5: Solve for x
x = 371,753,700,511.21/623,389.26 - Step 6: Final answer
x = 596,342.81
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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.