Finding the Fourth Proportional to 634,387.18, 875,465.58 and 347,904.76
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Solution
The fourth proportional to 634,387.18, 875,465.58 and 347,904.76 is: 480,114.75
Step by Step Solution
- Step 1: Write the proportion equation
634,387.18 : 875,465.58 = 347,904.76 : x - Step 2: Convert to fraction form
634,387.18/875,465.58 = 347,904.76/x - Step 3: Cross multiply
634,387.18x = 875,465.58 × 347,904.76 - Step 4: Simplify right side
634,387.18x = 304,578,642,498.16 - Step 5: Solve for x
x = 304,578,642,498.16/634,387.18 - Step 6: Final answer
x = 480,114.75
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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.