Finding the Fourth Proportional to 564,746.18, 779,419.95 and 322,995.20
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Solution
The fourth proportional to 564,746.18, 779,419.95 and 322,995.20 is: 445,773.54
Step by Step Solution
- Step 1: Write the proportion equation
564,746.18 : 779,419.95 = 322,995.20 : x - Step 2: Convert to fraction form
564,746.18/779,419.95 = 322,995.20/x - Step 3: Cross multiply
564,746.18x = 779,419.95 × 322,995.20 - Step 4: Simplify right side
564,746.18x = 251,748,902,634.24 - Step 5: Solve for x
x = 251,748,902,634.24/564,746.18 - Step 6: Final answer
x = 445,773.54
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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.