Finding the Fourth Proportional to 649,339.84, 896,075.73 and 358,963.66
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Solution
The fourth proportional to 649,339.84, 896,075.73 and 358,963.66 is: 495,362.53
Step by Step Solution
- Step 1: Write the proportion equation
649,339.84 : 896,075.73 = 358,963.66 : x - Step 2: Convert to fraction form
649,339.84/896,075.73 = 358,963.66/x - Step 3: Cross multiply
649,339.84x = 896,075.73 × 358,963.66 - Step 4: Simplify right side
649,339.84x = 321,658,623,677.97 - Step 5: Solve for x
x = 321,658,623,677.97/649,339.84 - Step 6: Final answer
x = 495,362.53
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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.