Finding the Fourth Proportional to 578,678.97, 869,352.54 and 554,764.53
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Solution
The fourth proportional to 578,678.97, 869,352.54 and 554,764.53 is: 833,425.75
Step by Step Solution
- Step 1: Write the proportion equation
578,678.97 : 869,352.54 = 554,764.53 : x - Step 2: Convert to fraction form
578,678.97/869,352.54 = 554,764.53/x - Step 3: Cross multiply
578,678.97x = 869,352.54 × 554,764.53 - Step 4: Simplify right side
578,678.97x = 482,285,953,257.41 - Step 5: Solve for x
x = 482,285,953,257.41/578,678.97 - Step 6: Final answer
x = 833,425.75
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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.