Finding the Fourth Proportional to 507,374.24, 700,504.08 and 316,464.80
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Solution
The fourth proportional to 507,374.24, 700,504.08 and 316,464.80 is: 436,925.78
Step by Step Solution
- Step 1: Write the proportion equation
507,374.24 : 700,504.08 = 316,464.80 : x - Step 2: Convert to fraction form
507,374.24/700,504.08 = 316,464.80/x - Step 3: Cross multiply
507,374.24x = 700,504.08 × 316,464.80 - Step 4: Simplify right side
507,374.24x = 221,684,883,576.38 - Step 5: Solve for x
x = 221,684,883,576.38/507,374.24 - Step 6: Final answer
x = 436,925.78
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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.