Finding the Fourth Proportional to 612,752.36, 845,570.99 and 354,587.95
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Solution
The fourth proportional to 612,752.36, 845,570.99 and 354,587.95 is: 489,315.59
Step by Step Solution
- Step 1: Write the proportion equation
612,752.36 : 845,570.99 = 354,587.95 : x - Step 2: Convert to fraction form
612,752.36/845,570.99 = 354,587.95/x - Step 3: Cross multiply
612,752.36x = 845,570.99 × 354,587.95 - Step 4: Simplify right side
612,752.36x = 299,829,279,695.72 - Step 5: Solve for x
x = 299,829,279,695.72/612,752.36 - Step 6: Final answer
x = 489,315.59
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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.