Finding the Fourth Proportional to 570,454.84, 787,310.04 and 328,691.08
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Solution
The fourth proportional to 570,454.84, 787,310.04 and 328,691.08 is: 453,641.15
Step by Step Solution
- Step 1: Write the proportion equation
570,454.84 : 787,310.04 = 328,691.08 : x - Step 2: Convert to fraction form
570,454.84/787,310.04 = 328,691.08/x - Step 3: Cross multiply
570,454.84x = 787,310.04 × 328,691.08 - Step 4: Simplify right side
570,454.84x = 258,781,787,342.44 - Step 5: Solve for x
x = 258,781,787,342.44/570,454.84 - Step 6: Final answer
x = 453,641.15
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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.