Finding the Fourth Proportional to 572,670.15, 858,192.81 and 421,726.65
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Solution
The fourth proportional to 572,670.15, 858,192.81 and 421,726.65 is: 631,991.70
Step by Step Solution
- Step 1: Write the proportion equation
572,670.15 : 858,192.81 = 421,726.65 : x - Step 2: Convert to fraction form
572,670.15/858,192.81 = 421,726.65/x - Step 3: Cross multiply
572,670.15x = 858,192.81 × 421,726.65 - Step 4: Simplify right side
572,670.15x = 361,922,778,815.39 - Step 5: Solve for x
x = 361,922,778,815.39/572,670.15 - Step 6: Final answer
x = 631,991.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.