Finding the Fourth Proportional to 688,711.84, 1,032,476.04 and 239,374.36
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Solution
The fourth proportional to 688,711.84, 1,032,476.04 and 239,374.36 is: 358,855.88
Step by Step Solution
- Step 1: Write the proportion equation
688,711.84 : 1,032,476.04 = 239,374.36 : x - Step 2: Convert to fraction form
688,711.84/1,032,476.04 = 239,374.36/x - Step 3: Cross multiply
688,711.84x = 1,032,476.04 × 239,374.36 - Step 4: Simplify right side
688,711.84x = 247,148,291,290.33 - Step 5: Solve for x
x = 247,148,291,290.33/688,711.84 - Step 6: Final answer
x = 358,855.88
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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.