Finding the Fourth Proportional to 885,781.73, 1,326,674.99 and 411,468.95
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Solution
The fourth proportional to 885,781.73, 1,326,674.99 and 411,468.95 is: 616,275.48
Step by Step Solution
- Step 1: Write the proportion equation
885,781.73 : 1,326,674.99 = 411,468.95 : x - Step 2: Convert to fraction form
885,781.73/1,326,674.99 = 411,468.95/x - Step 3: Cross multiply
885,781.73x = 1,326,674.99 × 411,468.95 - Step 4: Simplify right side
885,781.73x = 545,885,565,126.56 - Step 5: Solve for x
x = 545,885,565,126.56/885,781.73 - Step 6: Final answer
x = 616,275.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.