Finding the Fourth Proportional to 692,746.64, 956,149.74 and 406,358.98
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Solution
The fourth proportional to 692,746.64, 956,149.74 and 406,358.98 is: 560,868.88
Step by Step Solution
- Step 1: Write the proportion equation
692,746.64 : 956,149.74 = 406,358.98 : x - Step 2: Convert to fraction form
692,746.64/956,149.74 = 406,358.98/x - Step 3: Cross multiply
692,746.64x = 956,149.74 × 406,358.98 - Step 4: Simplify right side
692,746.64x = 388,540,033,073.67 - Step 5: Solve for x
x = 388,540,033,073.67/692,746.64 - Step 6: Final answer
x = 560,868.88
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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.