Finding the Fourth Proportional to 520,413.14, 717,907.02 and 348,338.36
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Solution
The fourth proportional to 520,413.14, 717,907.02 and 348,338.36 is: 480,530.82
Step by Step Solution
- Step 1: Write the proportion equation
520,413.14 : 717,907.02 = 348,338.36 : x - Step 2: Convert to fraction form
520,413.14/717,907.02 = 348,338.36/x - Step 3: Cross multiply
520,413.14x = 717,907.02 × 348,338.36 - Step 4: Simplify right side
520,413.14x = 250,074,550,389.75 - Step 5: Solve for x
x = 250,074,550,389.75/520,413.14 - Step 6: Final answer
x = 480,530.82
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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.