Finding the Fourth Proportional to 750,909.80, 1,036,258.98 and 411,377
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Solution
The fourth proportional to 750,909.80, 1,036,258.98 and 411,377 is: 567,702.15
Step by Step Solution
- Step 1: Write the proportion equation
750,909.80 : 1,036,258.98 = 411,377 : x - Step 2: Convert to fraction form
750,909.80/1,036,258.98 = 411,377/x - Step 3: Cross multiply
750,909.80x = 1,036,258.98 × 411,377 - Step 4: Simplify right side
750,909.80x = 426,293,110,415.46 - Step 5: Solve for x
x = 426,293,110,415.46/750,909.80 - Step 6: Final answer
x = 567,702.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.