Finding the Fourth Proportional to 750,663.24, 1,035,876.78 and 411,124.20
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Solution
The fourth proportional to 750,663.24, 1,035,876.78 and 411,124.20 is: 567,330.32
Step by Step Solution
- Step 1: Write the proportion equation
750,663.24 : 1,035,876.78 = 411,124.20 : x - Step 2: Convert to fraction form
750,663.24/1,035,876.78 = 411,124.20/x - Step 3: Cross multiply
750,663.24x = 1,035,876.78 × 411,124.20 - Step 4: Simplify right side
750,663.24x = 425,874,012,476.08 - Step 5: Solve for x
x = 425,874,012,476.08/750,663.24 - Step 6: Final answer
x = 567,330.32
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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.