Finding the Fourth Proportional to 572,931.50, 790,718.37 and 346,578.62
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Solution
The fourth proportional to 572,931.50, 790,718.37 and 346,578.62 is: 478,322.59
Step by Step Solution
- Step 1: Write the proportion equation
572,931.50 : 790,718.37 = 346,578.62 : x - Step 2: Convert to fraction form
572,931.50/790,718.37 = 346,578.62/x - Step 3: Cross multiply
572,931.50x = 790,718.37 × 346,578.62 - Step 4: Simplify right side
572,931.50x = 274,046,081,483.25 - Step 5: Solve for x
x = 274,046,081,483.25/572,931.50 - Step 6: Final answer
x = 478,322.59
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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.