Finding the Fourth Proportional to 875,864.70, 1,208,693.61 and 473,456.70
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Solution
The fourth proportional to 875,864.70, 1,208,693.61 and 473,456.70 is: 653,370.42
Step by Step Solution
- Step 1: Write the proportion equation
875,864.70 : 1,208,693.61 = 473,456.70 : x - Step 2: Convert to fraction form
875,864.70/1,208,693.61 = 473,456.70/x - Step 3: Cross multiply
875,864.70x = 1,208,693.61 × 473,456.70 - Step 4: Simplify right side
875,864.70x = 572,264,087,901.69 - Step 5: Solve for x
x = 572,264,087,901.69/875,864.70 - Step 6: Final answer
x = 653,370.42
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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.