Finding the Fourth Proportional to 857,756.84, 1,285,011.14 and 572,587.44
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Solution
The fourth proportional to 857,756.84, 1,285,011.14 and 572,587.44 is: 857,796.99
Step by Step Solution
- Step 1: Write the proportion equation
857,756.84 : 1,285,011.14 = 572,587.44 : x - Step 2: Convert to fraction form
857,756.84/1,285,011.14 = 572,587.44/x - Step 3: Cross multiply
857,756.84x = 1,285,011.14 × 572,587.44 - Step 4: Simplify right side
857,756.84x = 735,781,239,024.08 - Step 5: Solve for x
x = 735,781,239,024.08/857,756.84 - Step 6: Final answer
x = 857,796.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.