Finding the Fourth Proportional to 750,060.96, 1,035,416.57 and 478,484.97
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Solution
The fourth proportional to 750,060.96, 1,035,416.57 and 478,484.97 is: 660,521.33
Step by Step Solution
- Step 1: Write the proportion equation
750,060.96 : 1,035,416.57 = 478,484.97 : x - Step 2: Convert to fraction form
750,060.96/1,035,416.57 = 478,484.97/x - Step 3: Cross multiply
750,060.96x = 1,035,416.57 × 478,484.97 - Step 4: Simplify right side
750,060.96x = 495,431,264,041.53 - Step 5: Solve for x
x = 495,431,264,041.53/750,060.96 - Step 6: Final answer
x = 660,521.33
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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.