Finding the Fourth Proportional to 564,058.48, 778,536.12 and 383,072.08
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Solution
The fourth proportional to 564,058.48, 778,536.12 and 383,072.08 is: 528,731.44
Step by Step Solution
- Step 1: Write the proportion equation
564,058.48 : 778,536.12 = 383,072.08 : x - Step 2: Convert to fraction form
564,058.48/778,536.12 = 383,072.08/x - Step 3: Cross multiply
564,058.48x = 778,536.12 × 383,072.08 - Step 4: Simplify right side
564,058.48x = 298,235,450,843.53 - Step 5: Solve for x
x = 298,235,450,843.53/564,058.48 - Step 6: Final answer
x = 528,731.44
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1.5x scale
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.