Finding the Fourth Proportional to 719,323.73, 992,518.55 and 413,340.99
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Solution
The fourth proportional to 719,323.73, 992,518.55 and 413,340.99 is: 570,325.41
Step by Step Solution
- Step 1: Write the proportion equation
719,323.73 : 992,518.55 = 413,340.99 : x - Step 2: Convert to fraction form
719,323.73/992,518.55 = 413,340.99/x - Step 3: Cross multiply
719,323.73x = 992,518.55 × 413,340.99 - Step 4: Simplify right side
719,323.73x = 410,248,597,983.66 - Step 5: Solve for x
x = 410,248,597,983.66/719,323.73 - Step 6: Final answer
x = 570,325.41
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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.