Finding the Fourth Proportional to 915,045.13, 1,372,751.16 and 316,028.26
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Solution
The fourth proportional to 915,045.13, 1,372,751.16 and 316,028.26 is: 474,105.75
Step by Step Solution
- Step 1: Write the proportion equation
915,045.13 : 1,372,751.16 = 316,028.26 : x - Step 2: Convert to fraction form
915,045.13/1,372,751.16 = 316,028.26/x - Step 3: Cross multiply
915,045.13x = 1,372,751.16 × 316,028.26 - Step 4: Simplify right side
915,045.13x = 433,828,160,507.78 - Step 5: Solve for x
x = 433,828,160,507.78/915,045.13 - Step 6: Final answer
x = 474,105.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.