Home / 743,528.70-1,114,666.11-322,487.46

Finding the Fourth Proportional to 743,528.70, 1,114,666.11 and 322,487.46

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Solution

The fourth proportional to 743,528.70, 1,114,666.11 and 322,487.46 is: 483,459.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,528.70 : 1,114,666.11 = 322,487.46 : x
  2. Step 2: Convert to fraction form
    743,528.70/1,114,666.11 = 322,487.46/x
  3. Step 3: Cross multiply
    743,528.70x = 1,114,666.11 × 322,487.46
  4. Step 4: Simplify right side
    743,528.70x = 359,465,842,561.98
  5. Step 5: Solve for x
    x = 359,465,842,561.98/743,528.70
  6. Step 6: Final answer
    x = 483,459.27

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Double scale
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1.5x scale

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.