Finding the Fourth Proportional to 614,177.64, 847,747.62 and 387,973.80
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Solution
The fourth proportional to 614,177.64, 847,747.62 and 387,973.80 is: 535,519.11
Step by Step Solution
- Step 1: Write the proportion equation
614,177.64 : 847,747.62 = 387,973.80 : x - Step 2: Convert to fraction form
614,177.64/847,747.62 = 387,973.80/x - Step 3: Cross multiply
614,177.64x = 847,747.62 × 387,973.80 - Step 4: Simplify right side
614,177.64x = 328,903,865,572.36 - Step 5: Solve for x
x = 328,903,865,572.36/614,177.64 - Step 6: Final answer
x = 535,519.11
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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.