Finding the Fourth Proportional to 971,888.44, 1,341,472.80 and 564,121.65
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Solution
The fourth proportional to 971,888.44, 1,341,472.80 and 564,121.65 is: 778,642.71
Step by Step Solution
- Step 1: Write the proportion equation
971,888.44 : 1,341,472.80 = 564,121.65 : x - Step 2: Convert to fraction form
971,888.44/1,341,472.80 = 564,121.65/x - Step 3: Cross multiply
971,888.44x = 1,341,472.80 × 564,121.65 - Step 4: Simplify right side
971,888.44x = 756,753,849,366.12 - Step 5: Solve for x
x = 756,753,849,366.12/971,888.44 - Step 6: Final answer
x = 778,642.71
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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.