Finding the Fourth Proportional to 558,358.01, 770,670.96 and 316,781.99
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Solution
The fourth proportional to 558,358.01, 770,670.96 and 316,781.99 is: 437,236.82
Step by Step Solution
- Step 1: Write the proportion equation
558,358.01 : 770,670.96 = 316,781.99 : x - Step 2: Convert to fraction form
558,358.01/770,670.96 = 316,781.99/x - Step 3: Cross multiply
558,358.01x = 770,670.96 × 316,781.99 - Step 4: Simplify right side
558,358.01x = 244,134,678,192.74 - Step 5: Solve for x
x = 244,134,678,192.74/558,358.01 - Step 6: Final answer
x = 437,236.82
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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.