Finding the Fourth Proportional to 708,237.38, 977,366.07 and 385,946.70
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Solution
The fourth proportional to 708,237.38, 977,366.07 and 385,946.70 is: 532,605.62
Step by Step Solution
- Step 1: Write the proportion equation
708,237.38 : 977,366.07 = 385,946.70 : x - Step 2: Convert to fraction form
708,237.38/977,366.07 = 385,946.70/x - Step 3: Cross multiply
708,237.38x = 977,366.07 × 385,946.70 - Step 4: Simplify right side
708,237.38x = 377,211,209,408.47 - Step 5: Solve for x
x = 377,211,209,408.47/708,237.38 - Step 6: Final answer
x = 532,605.62
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1.5x scale
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.