Finding the Fourth Proportional to 875,723.02, 1,208,497.14 and 473,315.02
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Solution
The fourth proportional to 875,723.02, 1,208,497.14 and 473,315.02 is: 653,174.39
Step by Step Solution
- Step 1: Write the proportion equation
875,723.02 : 1,208,497.14 = 473,315.02 : x - Step 2: Convert to fraction form
875,723.02/1,208,497.14 = 473,315.02/x - Step 3: Cross multiply
875,723.02x = 1,208,497.14 × 473,315.02 - Step 4: Simplify right side
875,723.02x = 571,999,847,989.04 - Step 5: Solve for x
x = 571,999,847,989.04/875,723.02 - Step 6: Final answer
x = 653,174.39
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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.