Finding the Fourth Proportional to 697,151.84, 962,088.70 and 391,246.98
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Solution
The fourth proportional to 697,151.84, 962,088.70 and 391,246.98 is: 539,931.59
Step by Step Solution
- Step 1: Write the proportion equation
697,151.84 : 962,088.70 = 391,246.98 : x - Step 2: Convert to fraction form
697,151.84/962,088.70 = 391,246.98/x - Step 3: Cross multiply
697,151.84x = 962,088.70 × 391,246.98 - Step 4: Simplify right side
697,151.84x = 376,414,298,367.13 - Step 5: Solve for x
x = 376,414,298,367.13/697,151.84 - Step 6: Final answer
x = 539,931.59
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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.