Finding the Fourth Proportional to 977,664.60, 1,466,642.70 and 346,528.80
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Solution
The fourth proportional to 977,664.60, 1,466,642.70 and 346,528.80 is: 519,844.88
Step by Step Solution
- Step 1: Write the proportion equation
977,664.60 : 1,466,642.70 = 346,528.80 : x - Step 2: Convert to fraction form
977,664.60/1,466,642.70 = 346,528.80/x - Step 3: Cross multiply
977,664.60x = 1,466,642.70 × 346,528.80 - Step 4: Simplify right side
977,664.60x = 508,233,934,859.76 - Step 5: Solve for x
x = 508,233,934,859.76/977,664.60 - Step 6: Final answer
x = 519,844.88
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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.