Finding the Fourth Proportional to 558,060.17, 770,149.35 and 316,347.44
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Solution
The fourth proportional to 558,060.17, 770,149.35 and 316,347.44 is: 436,574.38
Step by Step Solution
- Step 1: Write the proportion equation
558,060.17 : 770,149.35 = 316,347.44 : x - Step 2: Convert to fraction form
558,060.17/770,149.35 = 316,347.44/x - Step 3: Cross multiply
558,060.17x = 770,149.35 × 316,347.44 - Step 4: Simplify right side
558,060.17x = 243,634,771,439.42 - Step 5: Solve for x
x = 243,634,771,439.42/558,060.17 - Step 6: Final answer
x = 436,574.38
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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.