Finding the Fourth Proportional to 761,465.65, 1,050,823.74 and 417,246.88
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Solution
The fourth proportional to 761,465.65, 1,050,823.74 and 417,246.88 is: 575,801.32
Step by Step Solution
- Step 1: Write the proportion equation
761,465.65 : 1,050,823.74 = 417,246.88 : x - Step 2: Convert to fraction form
761,465.65/1,050,823.74 = 417,246.88/x - Step 3: Cross multiply
761,465.65x = 1,050,823.74 × 417,246.88 - Step 4: Simplify right side
761,465.65x = 438,452,926,944.93 - Step 5: Solve for x
x = 438,452,926,944.93/761,465.65 - Step 6: Final answer
x = 575,801.32
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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.