Finding the Fourth Proportional to 577,347.77, 796,707.62 and 319,209.68
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Solution
The fourth proportional to 577,347.77, 796,707.62 and 319,209.68 is: 440,491.50
Step by Step Solution
- Step 1: Write the proportion equation
577,347.77 : 796,707.62 = 319,209.68 : x - Step 2: Convert to fraction form
577,347.77/796,707.62 = 319,209.68/x - Step 3: Cross multiply
577,347.77x = 796,707.62 × 319,209.68 - Step 4: Simplify right side
577,347.77x = 254,316,784,433.76 - Step 5: Solve for x
x = 254,316,784,433.76/577,347.77 - Step 6: Final answer
x = 440,491.50
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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.