Finding the Fourth Proportional to 564,259.51, 778,678.17 and 322,547.36
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Solution
The fourth proportional to 564,259.51, 778,678.17 and 322,547.36 is: 445,115.39
Step by Step Solution
- Step 1: Write the proportion equation
564,259.51 : 778,678.17 = 322,547.36 : x - Step 2: Convert to fraction form
564,259.51/778,678.17 = 322,547.36/x - Step 3: Cross multiply
564,259.51x = 778,678.17 × 322,547.36 - Step 4: Simplify right side
564,259.51x = 251,160,588,023.13 - Step 5: Solve for x
x = 251,160,588,023.13/564,259.51 - Step 6: Final answer
x = 445,115.39
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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.