Finding the Fourth Proportional to 708,331.58, 977,523.95 and 402,459.82
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Solution
The fourth proportional to 708,331.58, 977,523.95 and 402,459.82 is: 555,409.53
Step by Step Solution
- Step 1: Write the proportion equation
708,331.58 : 977,523.95 = 402,459.82 : x - Step 2: Convert to fraction form
708,331.58/977,523.95 = 402,459.82/x - Step 3: Cross multiply
708,331.58x = 977,523.95 × 402,459.82 - Step 4: Simplify right side
708,331.58x = 393,414,111,525.03 - Step 5: Solve for x
x = 393,414,111,525.03/708,331.58 - Step 6: Final answer
x = 555,409.53
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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.