Finding the Fourth Proportional to 671,743.18, 926,963.57 and 369,937.18
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Solution
The fourth proportional to 671,743.18, 926,963.57 and 369,937.18 is: 510,490.17
Step by Step Solution
- Step 1: Write the proportion equation
671,743.18 : 926,963.57 = 369,937.18 : x - Step 2: Convert to fraction form
671,743.18/926,963.57 = 369,937.18/x - Step 3: Cross multiply
671,743.18x = 926,963.57 × 369,937.18 - Step 4: Simplify right side
671,743.18x = 342,918,289,048.53 - Step 5: Solve for x
x = 342,918,289,048.53/671,743.18 - Step 6: Final answer
x = 510,490.17
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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.