Finding the Fourth Proportional to 539,652.30, 744,700.68 and 297,929.76
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Solution
The fourth proportional to 539,652.30, 744,700.68 and 297,929.76 is: 411,132.31
Step by Step Solution
- Step 1: Write the proportion equation
539,652.30 : 744,700.68 = 297,929.76 : x - Step 2: Convert to fraction form
539,652.30/744,700.68 = 297,929.76/x - Step 3: Cross multiply
539,652.30x = 744,700.68 × 297,929.76 - Step 4: Simplify right side
539,652.30x = 221,868,494,864.24 - Step 5: Solve for x
x = 221,868,494,864.24/539,652.30 - Step 6: Final answer
x = 411,132.31
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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.