Finding the Fourth Proportional to 929,934.95, 1,283,309.58 and 522,037.58
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Solution
The fourth proportional to 929,934.95, 1,283,309.58 and 522,037.58 is: 720,411.50
Step by Step Solution
- Step 1: Write the proportion equation
929,934.95 : 1,283,309.58 = 522,037.58 : x - Step 2: Convert to fraction form
929,934.95/1,283,309.58 = 522,037.58/x - Step 3: Cross multiply
929,934.95x = 1,283,309.58 × 522,037.58 - Step 4: Simplify right side
929,934.95x = 669,935,830,966.57 - Step 5: Solve for x
x = 669,935,830,966.57/929,934.95 - Step 6: Final answer
x = 720,411.50
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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.