Finding the Fourth Proportional to 570,995.88, 788,000.12 and 316,347.09
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Solution
The fourth proportional to 570,995.88, 788,000.12 and 316,347.09 is: 436,573.28
Step by Step Solution
- Step 1: Write the proportion equation
570,995.88 : 788,000.12 = 316,347.09 : x - Step 2: Convert to fraction form
570,995.88/788,000.12 = 316,347.09/x - Step 3: Cross multiply
570,995.88x = 788,000.12 × 316,347.09 - Step 4: Simplify right side
570,995.88x = 249,281,544,881.65 - Step 5: Solve for x
x = 249,281,544,881.65/570,995.88 - Step 6: Final answer
x = 436,573.28
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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.