Finding the Fourth Proportional to 688,702.84, 1,032,462.54 and 239,365.36
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Solution
The fourth proportional to 688,702.84, 1,032,462.54 and 239,365.36 is: 358,842.38
Step by Step Solution
- Step 1: Write the proportion equation
688,702.84 : 1,032,462.54 = 239,365.36 : x - Step 2: Convert to fraction form
688,702.84/1,032,462.54 = 239,365.36/x - Step 3: Cross multiply
688,702.84x = 1,032,462.54 × 239,365.36 - Step 4: Simplify right side
688,702.84x = 247,135,767,573.61 - Step 5: Solve for x
x = 247,135,767,573.61/688,702.84 - Step 6: Final answer
x = 358,842.38
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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.