Finding the Fourth Proportional to 583,423.80, 875,135.70 and 495,943.80
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Solution
The fourth proportional to 583,423.80, 875,135.70 and 495,943.80 is: 743,915.70
Step by Step Solution
- Step 1: Write the proportion equation
583,423.80 : 875,135.70 = 495,943.80 : x - Step 2: Convert to fraction form
583,423.80/875,135.70 = 495,943.80/x - Step 3: Cross multiply
583,423.80x = 875,135.70 × 495,943.80 - Step 4: Simplify right side
583,423.80x = 434,018,124,573.66 - Step 5: Solve for x
x = 434,018,124,573.66/583,423.80 - Step 6: Final answer
x = 743,915.70
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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.