Home / 724,983.32-1,000,755.99-483,177.67

Finding the Fourth Proportional to 724,983.32, 1,000,755.99 and 483,177.67

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Solution

The fourth proportional to 724,983.32, 1,000,755.99 and 483,177.67 is: 666,971.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,983.32 : 1,000,755.99 = 483,177.67 : x
  2. Step 2: Convert to fraction form
    724,983.32/1,000,755.99 = 483,177.67/x
  3. Step 3: Cross multiply
    724,983.32x = 1,000,755.99 × 483,177.67
  4. Step 4: Simplify right side
    724,983.32x = 483,542,948,090.82
  5. Step 5: Solve for x
    x = 483,542,948,090.82/724,983.32
  6. Step 6: Final answer
    x = 666,971.13

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1.5x scale

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.