Finding the Fourth Proportional to 623,557.26, 859,935.15 and 408,619.26
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Solution
The fourth proportional to 623,557.26, 859,935.15 and 408,619.26 is: 563,518.52
Step by Step Solution
- Step 1: Write the proportion equation
623,557.26 : 859,935.15 = 408,619.26 : x - Step 2: Convert to fraction form
623,557.26/859,935.15 = 408,619.26/x - Step 3: Cross multiply
623,557.26x = 859,935.15 × 408,619.26 - Step 4: Simplify right side
623,557.26x = 351,386,064,640.99 - Step 5: Solve for x
x = 351,386,064,640.99/623,557.26 - Step 6: Final answer
x = 563,518.52
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1.5x scale
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.