Finding the Fourth Proportional to 887,199.30, 1,330,312.95 and 436,930.02
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Solution
The fourth proportional to 887,199.30, 1,330,312.95 and 436,930.02 is: 655,155.68
Step by Step Solution
- Step 1: Write the proportion equation
887,199.30 : 1,330,312.95 = 436,930.02 : x - Step 2: Convert to fraction form
887,199.30/1,330,312.95 = 436,930.02/x - Step 3: Cross multiply
887,199.30x = 1,330,312.95 × 436,930.02 - Step 4: Simplify right side
887,199.30x = 581,253,663,849.76 - Step 5: Solve for x
x = 581,253,663,849.76/887,199.30 - Step 6: Final answer
x = 655,155.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.