Finding the Fourth Proportional to 570,695.94, 787,558.86 and 328,977.18
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Solution
The fourth proportional to 570,695.94, 787,558.86 and 328,977.18 is: 453,987.62
Step by Step Solution
- Step 1: Write the proportion equation
570,695.94 : 787,558.86 = 328,977.18 : x - Step 2: Convert to fraction form
570,695.94/787,558.86 = 328,977.18/x - Step 3: Cross multiply
570,695.94x = 787,558.86 × 328,977.18 - Step 4: Simplify right side
570,695.94x = 259,088,892,846.82 - Step 5: Solve for x
x = 259,088,892,846.82/570,695.94 - Step 6: Final answer
x = 453,987.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.