Finding the Fourth Proportional to 817,643.70, 1,226,465.55 and 565,701.30
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Solution
The fourth proportional to 817,643.70, 1,226,465.55 and 565,701.30 is: 848,551.95
Step by Step Solution
- Step 1: Write the proportion equation
817,643.70 : 1,226,465.55 = 565,701.30 : x - Step 2: Convert to fraction form
817,643.70/1,226,465.55 = 565,701.30/x - Step 3: Cross multiply
817,643.70x = 1,226,465.55 × 565,701.30 - Step 4: Simplify right side
817,643.70x = 693,813,156,040.22 - Step 5: Solve for x
x = 693,813,156,040.22/817,643.70 - Step 6: Final answer
x = 848,551.95
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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.