Finding the Fourth Proportional to 632,878.76, 873,338.99 and 346,343.46
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Solution
The fourth proportional to 632,878.76, 873,338.99 and 346,343.46 is: 477,935.53
Step by Step Solution
- Step 1: Write the proportion equation
632,878.76 : 873,338.99 = 346,343.46 : x - Step 2: Convert to fraction form
632,878.76/873,338.99 = 346,343.46/x - Step 3: Cross multiply
632,878.76x = 873,338.99 × 346,343.46 - Step 4: Simplify right side
632,878.76x = 302,475,245,817.79 - Step 5: Solve for x
x = 302,475,245,817.79/632,878.76 - Step 6: Final answer
x = 477,935.53
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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.