Finding the Fourth Proportional to 835,760.94, 1,153,421.50 and 473,248.68
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Solution
The fourth proportional to 835,760.94, 1,153,421.50 and 473,248.68 is: 653,123.61
Step by Step Solution
- Step 1: Write the proportion equation
835,760.94 : 1,153,421.50 = 473,248.68 : x - Step 2: Convert to fraction form
835,760.94/1,153,421.50 = 473,248.68/x - Step 3: Cross multiply
835,760.94x = 1,153,421.50 × 473,248.68 - Step 4: Simplify right side
835,760.94x = 545,855,202,358.62 - Step 5: Solve for x
x = 545,855,202,358.62/835,760.94 - Step 6: Final answer
x = 653,123.61
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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.