Finding the Fourth Proportional to 740,307.12, 1,110,903.08 and 680,077.14
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Solution
The fourth proportional to 740,307.12, 1,110,903.08 and 680,077.14 is: 1,020,522.12
Step by Step Solution
- Step 1: Write the proportion equation
740,307.12 : 1,110,903.08 = 680,077.14 : x - Step 2: Convert to fraction form
740,307.12/1,110,903.08 = 680,077.14/x - Step 3: Cross multiply
740,307.12x = 1,110,903.08 × 680,077.14 - Step 4: Simplify right side
740,307.12x = 755,499,789,463.59 - Step 5: Solve for x
x = 755,499,789,463.59/740,307.12 - Step 6: Final answer
x = 1,020,522.12
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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.