Finding the Fourth Proportional to 752,700.61, 1,038,727.98 and 408,536.66
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Solution
The fourth proportional to 752,700.61, 1,038,727.98 and 408,536.66 is: 563,781.21
Step by Step Solution
- Step 1: Write the proportion equation
752,700.61 : 1,038,727.98 = 408,536.66 : x - Step 2: Convert to fraction form
752,700.61/1,038,727.98 = 408,536.66/x - Step 3: Cross multiply
752,700.61x = 1,038,727.98 × 408,536.66 - Step 4: Simplify right side
752,700.61x = 424,358,462,338.21 - Step 5: Solve for x
x = 424,358,462,338.21/752,700.61 - Step 6: Final answer
x = 563,781.21
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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.