Finding the Fourth Proportional to 740,342.84, 1,110,956.64 and 680,112.84
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Solution
The fourth proportional to 740,342.84, 1,110,956.64 and 680,112.84 is: 1,020,575.65
Step by Step Solution
- Step 1: Write the proportion equation
740,342.84 : 1,110,956.64 = 680,112.84 : x - Step 2: Convert to fraction form
740,342.84/1,110,956.64 = 680,112.84/x - Step 3: Cross multiply
740,342.84x = 1,110,956.64 × 680,112.84 - Step 4: Simplify right side
740,342.84x = 755,575,875,547.26 - Step 5: Solve for x
x = 755,575,875,547.26/740,342.84 - Step 6: Final answer
x = 1,020,575.65
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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.