Finding the Fourth Proportional to 929,985.08, 1,395,406.64 and 424,700.95
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Solution
The fourth proportional to 929,985.08, 1,395,406.64 and 424,700.95 is: 637,247.35
Step by Step Solution
- Step 1: Write the proportion equation
929,985.08 : 1,395,406.64 = 424,700.95 : x - Step 2: Convert to fraction form
929,985.08/1,395,406.64 = 424,700.95/x - Step 3: Cross multiply
929,985.08x = 1,395,406.64 × 424,700.95 - Step 4: Simplify right side
929,985.08x = 592,630,525,644.31 - Step 5: Solve for x
x = 592,630,525,644.31/929,985.08 - Step 6: Final answer
x = 637,247.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.