Finding the Fourth Proportional to 716,295.42, 988,438.95 and 414,534.78
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Solution
The fourth proportional to 716,295.42, 988,438.95 and 414,534.78 is: 572,029.80
Step by Step Solution
- Step 1: Write the proportion equation
716,295.42 : 988,438.95 = 414,534.78 : x - Step 2: Convert to fraction form
716,295.42/988,438.95 = 414,534.78/x - Step 3: Cross multiply
716,295.42x = 988,438.95 × 414,534.78 - Step 4: Simplify right side
716,295.42x = 409,742,322,681.68 - Step 5: Solve for x
x = 409,742,322,681.68/716,295.42 - Step 6: Final answer
x = 572,029.80
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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.