Finding the Fourth Proportional to 558,296.48, 770,275.28 and 316,560.08
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Solution
The fourth proportional to 558,296.48, 770,275.28 and 316,560.08 is: 436,754.33
Step by Step Solution
- Step 1: Write the proportion equation
558,296.48 : 770,275.28 = 316,560.08 : x - Step 2: Convert to fraction form
558,296.48/770,275.28 = 316,560.08/x - Step 3: Cross multiply
558,296.48x = 770,275.28 × 316,560.08 - Step 4: Simplify right side
558,296.48x = 243,838,404,258.82 - Step 5: Solve for x
x = 243,838,404,258.82/558,296.48 - Step 6: Final answer
x = 436,754.33
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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.