Finding the Fourth Proportional to 661,656.48, 913,294.08 and 375,366.84
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Solution
The fourth proportional to 661,656.48, 913,294.08 and 375,366.84 is: 518,124.32
Step by Step Solution
- Step 1: Write the proportion equation
661,656.48 : 913,294.08 = 375,366.84 : x - Step 2: Convert to fraction form
661,656.48/913,294.08 = 375,366.84/x - Step 3: Cross multiply
661,656.48x = 913,294.08 × 375,366.84 - Step 4: Simplify right side
661,656.48x = 342,820,312,800.31 - Step 5: Solve for x
x = 342,820,312,800.31/661,656.48 - Step 6: Final answer
x = 518,124.32
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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.