Finding the Fourth Proportional to 935,348.08, 1,289,919.56 and 612,941.08
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Solution
The fourth proportional to 935,348.08, 1,289,919.56 and 612,941.08 is: 845,294.61
Step by Step Solution
- Step 1: Write the proportion equation
935,348.08 : 1,289,919.56 = 612,941.08 : x - Step 2: Convert to fraction form
935,348.08/1,289,919.56 = 612,941.08/x - Step 3: Cross multiply
935,348.08x = 1,289,919.56 × 612,941.08 - Step 4: Simplify right side
935,348.08x = 790,644,688,219.53 - Step 5: Solve for x
x = 790,644,688,219.53/935,348.08 - Step 6: Final answer
x = 845,294.61
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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.