Finding the Fourth Proportional to 619,959.13, 855,543.16 and 348,027.55
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Solution
The fourth proportional to 619,959.13, 855,543.16 and 348,027.55 is: 480,277.77
Step by Step Solution
- Step 1: Write the proportion equation
619,959.13 : 855,543.16 = 348,027.55 : x - Step 2: Convert to fraction form
619,959.13/855,543.16 = 348,027.55/x - Step 3: Cross multiply
619,959.13x = 855,543.16 × 348,027.55 - Step 4: Simplify right side
619,959.13x = 297,752,589,894.06 - Step 5: Solve for x
x = 297,752,589,894.06/619,959.13 - Step 6: Final answer
x = 480,277.77
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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.