Finding the Fourth Proportional to 583,291.80, 874,937.70 and 513,307.80
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Solution
The fourth proportional to 583,291.80, 874,937.70 and 513,307.80 is: 769,961.70
Step by Step Solution
- Step 1: Write the proportion equation
583,291.80 : 874,937.70 = 513,307.80 : x - Step 2: Convert to fraction form
583,291.80/874,937.70 = 513,307.80/x - Step 3: Cross multiply
583,291.80x = 874,937.70 × 513,307.80 - Step 4: Simplify right side
583,291.80x = 449,112,345,924.06 - Step 5: Solve for x
x = 449,112,345,924.06/583,291.80 - Step 6: Final answer
x = 769,961.70
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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.