Finding the Fourth Proportional to 1,316,903.98, 1,975,341.57 and 319,631.98
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Solution
The fourth proportional to 1,316,903.98, 1,975,341.57 and 319,631.98 is: 479,444.47
Step by Step Solution
- Step 1: Write the proportion equation
1,316,903.98 : 1,975,341.57 = 319,631.98 : x - Step 2: Convert to fraction form
1,316,903.98/1,975,341.57 = 319,631.98/x - Step 3: Cross multiply
1,316,903.98x = 1,975,341.57 × 319,631.98 - Step 4: Simplify right side
1,316,903.98x = 631,382,337,195.41 - Step 5: Solve for x
x = 631,382,337,195.41/1,316,903.98 - Step 6: Final answer
x = 479,444.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.