Finding the Fourth Proportional to 616,722.08, 924,969.92 and 279,681.68
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Solution
The fourth proportional to 616,722.08, 924,969.92 and 279,681.68 is: 419,471.19
Step by Step Solution
- Step 1: Write the proportion equation
616,722.08 : 924,969.92 = 279,681.68 : x - Step 2: Convert to fraction form
616,722.08/924,969.92 = 279,681.68/x - Step 3: Cross multiply
616,722.08x = 924,969.92 × 279,681.68 - Step 4: Simplify right side
616,722.08x = 258,697,142,089.08 - Step 5: Solve for x
x = 258,697,142,089.08/616,722.08 - Step 6: Final answer
x = 419,471.19
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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.