Finding the Fourth Proportional to 804,931.80, 1,207,397.70 and 524,995.80
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Solution
The fourth proportional to 804,931.80, 1,207,397.70 and 524,995.80 is: 787,493.70
Step by Step Solution
- Step 1: Write the proportion equation
804,931.80 : 1,207,397.70 = 524,995.80 : x - Step 2: Convert to fraction form
804,931.80/1,207,397.70 = 524,995.80/x - Step 3: Cross multiply
804,931.80x = 1,207,397.70 × 524,995.80 - Step 4: Simplify right side
804,931.80x = 633,878,721,429.66 - Step 5: Solve for x
x = 633,878,721,429.66/804,931.80 - Step 6: Final answer
x = 787,493.70
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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.