Finding the Fourth Proportional to 570,630.84, 787,470.50 and 315,982.06
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Solution
The fourth proportional to 570,630.84, 787,470.50 and 315,982.06 is: 436,055.21
Step by Step Solution
- Step 1: Write the proportion equation
570,630.84 : 787,470.50 = 315,982.06 : x - Step 2: Convert to fraction form
570,630.84/787,470.50 = 315,982.06/x - Step 3: Cross multiply
570,630.84x = 787,470.50 × 315,982.06 - Step 4: Simplify right side
570,630.84x = 248,826,550,779.23 - Step 5: Solve for x
x = 248,826,550,779.23/570,630.84 - Step 6: Final answer
x = 436,055.21
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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.