Finding the Fourth Proportional to 717,332.52, 989,880.98 and 411,393.09
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Solution
The fourth proportional to 717,332.52, 989,880.98 and 411,393.09 is: 567,700.73
Step by Step Solution
- Step 1: Write the proportion equation
717,332.52 : 989,880.98 = 411,393.09 : x - Step 2: Convert to fraction form
717,332.52/989,880.98 = 411,393.09/x - Step 3: Cross multiply
717,332.52x = 989,880.98 × 411,393.09 - Step 4: Simplify right side
717,332.52x = 407,230,193,037.46 - Step 5: Solve for x
x = 407,230,193,037.46/717,332.52 - Step 6: Final answer
x = 567,700.73
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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.