Finding the Fourth Proportional to 840,152.74, 1,159,072.05 and 486,300.82
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Solution
The fourth proportional to 840,152.74, 1,159,072.05 and 486,300.82 is: 670,899.07
Step by Step Solution
- Step 1: Write the proportion equation
840,152.74 : 1,159,072.05 = 486,300.82 : x - Step 2: Convert to fraction form
840,152.74/1,159,072.05 = 486,300.82/x - Step 3: Cross multiply
840,152.74x = 1,159,072.05 × 486,300.82 - Step 4: Simplify right side
840,152.74x = 563,657,688,354.08 - Step 5: Solve for x
x = 563,657,688,354.08/840,152.74 - Step 6: Final answer
x = 670,899.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.