Finding the Fourth Proportional to 551,944.19, 761,746.07 and 306,953.35
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Solution
The fourth proportional to 551,944.19, 761,746.07 and 306,953.35 is: 423,630.70
Step by Step Solution
- Step 1: Write the proportion equation
551,944.19 : 761,746.07 = 306,953.35 : x - Step 2: Convert to fraction form
551,944.19/761,746.07 = 306,953.35/x - Step 3: Cross multiply
551,944.19x = 761,746.07 × 306,953.35 - Step 4: Simplify right side
551,944.19x = 233,820,506,898.85 - Step 5: Solve for x
x = 233,820,506,898.85/551,944.19 - Step 6: Final answer
x = 423,630.70
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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.