Finding the Fourth Proportional to 636,671.68, 878,620.96 and 350,206.28
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Solution
The fourth proportional to 636,671.68, 878,620.96 and 350,206.28 is: 483,292.39
Step by Step Solution
- Step 1: Write the proportion equation
636,671.68 : 878,620.96 = 350,206.28 : x - Step 2: Convert to fraction form
636,671.68/878,620.96 = 350,206.28/x - Step 3: Cross multiply
636,671.68x = 878,620.96 × 350,206.28 - Step 4: Simplify right side
636,671.68x = 307,698,577,931.63 - Step 5: Solve for x
x = 307,698,577,931.63/636,671.68 - Step 6: Final answer
x = 483,292.39
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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.