Finding the Fourth Proportional to 585,618.68, 808,154.70 and 317,346.68
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Solution
The fourth proportional to 585,618.68, 808,154.70 and 317,346.68 is: 437,938.92
Step by Step Solution
- Step 1: Write the proportion equation
585,618.68 : 808,154.70 = 317,346.68 : x - Step 2: Convert to fraction form
585,618.68/808,154.70 = 317,346.68/x - Step 3: Cross multiply
585,618.68x = 808,154.70 × 317,346.68 - Step 4: Simplify right side
585,618.68x = 256,465,210,971.40 - Step 5: Solve for x
x = 256,465,210,971.40/585,618.68 - Step 6: Final answer
x = 437,938.92
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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.