Finding the Fourth Proportional to 708,337.99, 977,477.97 and 386,041.17
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Solution
The fourth proportional to 708,337.99, 977,477.97 and 386,041.17 is: 532,721.31
Step by Step Solution
- Step 1: Write the proportion equation
708,337.99 : 977,477.97 = 386,041.17 : x - Step 2: Convert to fraction form
708,337.99/977,477.97 = 386,041.17/x - Step 3: Cross multiply
708,337.99x = 977,477.97 × 386,041.17 - Step 4: Simplify right side
708,337.99x = 377,346,739,188.03 - Step 5: Solve for x
x = 377,346,739,188.03/708,337.99 - Step 6: Final answer
x = 532,721.31
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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.