Finding the Fourth Proportional to 578,113.12, 797,266 and 496,413.56
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Solution
The fourth proportional to 578,113.12, 797,266 and 496,413.56 is: 684,595.52
Step by Step Solution
- Step 1: Write the proportion equation
578,113.12 : 797,266 = 496,413.56 : x - Step 2: Convert to fraction form
578,113.12/797,266 = 496,413.56/x - Step 3: Cross multiply
578,113.12x = 797,266 × 496,413.56 - Step 4: Simplify right side
578,113.12x = 395,773,653,326.96 - Step 5: Solve for x
x = 395,773,653,326.96/578,113.12 - Step 6: Final answer
x = 684,595.52
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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.