Finding the Fourth Proportional to 532,711.98, 735,130.45 and 290,995.63
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Solution
The fourth proportional to 532,711.98, 735,130.45 and 290,995.63 is: 401,567.37
Step by Step Solution
- Step 1: Write the proportion equation
532,711.98 : 735,130.45 = 290,995.63 : x - Step 2: Convert to fraction form
532,711.98/735,130.45 = 290,995.63/x - Step 3: Cross multiply
532,711.98x = 735,130.45 × 290,995.63 - Step 4: Simplify right side
532,711.98x = 213,919,748,429.93 - Step 5: Solve for x
x = 213,919,748,429.93/532,711.98 - Step 6: Final answer
x = 401,567.37
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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.