Finding the Fourth Proportional to 570,612.60, 787,445.34 and 315,963.79
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Solution
The fourth proportional to 570,612.60, 787,445.34 and 315,963.79 is: 436,030.00
Step by Step Solution
- Step 1: Write the proportion equation
570,612.60 : 787,445.34 = 315,963.79 : x - Step 2: Convert to fraction form
570,612.60/787,445.34 = 315,963.79/x - Step 3: Cross multiply
570,612.60x = 787,445.34 × 315,963.79 - Step 4: Simplify right side
570,612.60x = 248,804,214,044.24 - Step 5: Solve for x
x = 248,804,214,044.24/570,612.60 - Step 6: Final answer
x = 436,030.00
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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.