Finding the Fourth Proportional to 907,811.57, 1,357,924.66 and 637,920.65
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Solution
The fourth proportional to 907,811.57, 1,357,924.66 and 637,920.65 is: 954,215.84
Step by Step Solution
- Step 1: Write the proportion equation
907,811.57 : 1,357,924.66 = 637,920.65 : x - Step 2: Convert to fraction form
907,811.57/1,357,924.66 = 637,920.65/x - Step 3: Cross multiply
907,811.57x = 1,357,924.66 × 637,920.65 - Step 4: Simplify right side
907,811.57x = 866,248,181,758.23 - Step 5: Solve for x
x = 866,248,181,758.23/907,811.57 - Step 6: Final answer
x = 954,215.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.