Finding the Fourth Proportional to 664,292.94, 916,315.11 and 473,368.02
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Solution
The fourth proportional to 664,292.94, 916,315.11 and 473,368.02 is: 652,956.31
Step by Step Solution
- Step 1: Write the proportion equation
664,292.94 : 916,315.11 = 473,368.02 : x - Step 2: Convert to fraction form
664,292.94/916,315.11 = 473,368.02/x - Step 3: Cross multiply
664,292.94x = 916,315.11 × 473,368.02 - Step 4: Simplify right side
664,292.94x = 433,754,269,316.78 - Step 5: Solve for x
x = 433,754,269,316.78/664,292.94 - Step 6: Final answer
x = 652,956.31
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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.