Finding the Fourth Proportional to 615,070.68, 921,858.02 and 435,207.93
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Solution
The fourth proportional to 615,070.68, 921,858.02 and 435,207.93 is: 652,282.63
Step by Step Solution
- Step 1: Write the proportion equation
615,070.68 : 921,858.02 = 435,207.93 : x - Step 2: Convert to fraction form
615,070.68/921,858.02 = 435,207.93/x - Step 3: Cross multiply
615,070.68x = 921,858.02 × 435,207.93 - Step 4: Simplify right side
615,070.68x = 401,199,920,638.10 - Step 5: Solve for x
x = 401,199,920,638.10/615,070.68 - Step 6: Final answer
x = 652,282.63
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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.