Finding the Fourth Proportional to 631,056.24, 870,854.14 and 344,574.29
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Solution
The fourth proportional to 631,056.24, 870,854.14 and 344,574.29 is: 475,510.62
Step by Step Solution
- Step 1: Write the proportion equation
631,056.24 : 870,854.14 = 344,574.29 : x - Step 2: Convert to fraction form
631,056.24/870,854.14 = 344,574.29/x - Step 3: Cross multiply
631,056.24x = 870,854.14 × 344,574.29 - Step 4: Simplify right side
631,056.24x = 300,073,946,984.06 - Step 5: Solve for x
x = 300,073,946,984.06/631,056.24 - Step 6: Final answer
x = 475,510.62
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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.