Finding the Fourth Proportional to 832,495.68, 1,248,691.68 and 512,708.40
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Solution
The fourth proportional to 832,495.68, 1,248,691.68 and 512,708.40 is: 769,030.67
Step by Step Solution
- Step 1: Write the proportion equation
832,495.68 : 1,248,691.68 = 512,708.40 : x - Step 2: Convert to fraction form
832,495.68/1,248,691.68 = 512,708.40/x - Step 3: Cross multiply
832,495.68x = 1,248,691.68 × 512,708.40 - Step 4: Simplify right side
832,495.68x = 640,214,713,346.11 - Step 5: Solve for x
x = 640,214,713,346.11/832,495.68 - Step 6: Final answer
x = 769,030.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.