Finding the Fourth Proportional to 487,363.80, 731,045.70 and 369,265.80
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Solution
The fourth proportional to 487,363.80, 731,045.70 and 369,265.80 is: 553,898.70
Step by Step Solution
- Step 1: Write the proportion equation
487,363.80 : 731,045.70 = 369,265.80 : x - Step 2: Convert to fraction form
487,363.80/731,045.70 = 369,265.80/x - Step 3: Cross multiply
487,363.80x = 731,045.70 × 369,265.80 - Step 4: Simplify right side
487,363.80x = 269,950,175,247.06 - Step 5: Solve for x
x = 269,950,175,247.06/487,363.80 - Step 6: Final answer
x = 553,898.70
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1.5x scale
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.