Finding the Fourth Proportional to 832,555, 1,148,923.74 and 450,581.68
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Solution
The fourth proportional to 832,555, 1,148,923.74 and 450,581.68 is: 621,801.55
Step by Step Solution
- Step 1: Write the proportion equation
832,555 : 1,148,923.74 = 450,581.68 : x - Step 2: Convert to fraction form
832,555/1,148,923.74 = 450,581.68/x - Step 3: Cross multiply
832,555x = 1,148,923.74 × 450,581.68 - Step 4: Simplify right side
832,555x = 517,683,988,961.08 - Step 5: Solve for x
x = 517,683,988,961.08/832,555 - Step 6: Final answer
x = 621,801.55
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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.