Finding the Fourth Proportional to 571,594.20, 788,798.70 and 316,938.84
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Solution
The fourth proportional to 571,594.20, 788,798.70 and 316,938.84 is: 437,374.88
Step by Step Solution
- Step 1: Write the proportion equation
571,594.20 : 788,798.70 = 316,938.84 : x - Step 2: Convert to fraction form
571,594.20/788,798.70 = 316,938.84/x - Step 3: Cross multiply
571,594.20x = 788,798.70 × 316,938.84 - Step 4: Simplify right side
571,594.20x = 250,000,944,971.51 - Step 5: Solve for x
x = 250,000,944,971.51/571,594.20 - Step 6: Final answer
x = 437,374.88
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1.5x scale
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.