Finding the Fourth Proportional to 634,551.94, 875,681.68 and 348,072.70
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Solution
The fourth proportional to 634,551.94, 875,681.68 and 348,072.70 is: 480,340.33
Step by Step Solution
- Step 1: Write the proportion equation
634,551.94 : 875,681.68 = 348,072.70 : x - Step 2: Convert to fraction form
634,551.94/875,681.68 = 348,072.70/x - Step 3: Cross multiply
634,551.94x = 875,681.68 × 348,072.70 - Step 4: Simplify right side
634,551.94x = 304,800,886,698.14 - Step 5: Solve for x
x = 304,800,886,698.14/634,551.94 - Step 6: Final answer
x = 480,340.33
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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.