Finding the Fourth Proportional to 570,928.68, 787,817.97 and 316,216.08
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Solution
The fourth proportional to 570,928.68, 787,817.97 and 316,216.08 is: 436,342.96
Step by Step Solution
- Step 1: Write the proportion equation
570,928.68 : 787,817.97 = 316,216.08 : x - Step 2: Convert to fraction form
570,928.68/787,817.97 = 316,216.08/x - Step 3: Cross multiply
570,928.68x = 787,817.97 × 316,216.08 - Step 4: Simplify right side
570,928.68x = 249,120,710,226.96 - Step 5: Solve for x
x = 249,120,710,226.96/570,928.68 - Step 6: Final answer
x = 436,342.96
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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.