Finding the Fourth Proportional to 555,642.49, 766,784.97 and 313,924.97
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Solution
The fourth proportional to 555,642.49, 766,784.97 and 313,924.97 is: 433,215.52
Step by Step Solution
- Step 1: Write the proportion equation
555,642.49 : 766,784.97 = 313,924.97 : x - Step 2: Convert to fraction form
555,642.49/766,784.97 = 313,924.97/x - Step 3: Cross multiply
555,642.49x = 766,784.97 × 313,924.97 - Step 4: Simplify right side
555,642.49x = 240,712,948,703.70 - Step 5: Solve for x
x = 240,712,948,703.70/555,642.49 - Step 6: Final answer
x = 433,215.52
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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.