Home / 829,983.28-1,145,361.37-507,669.70

Finding the Fourth Proportional to 829,983.28, 1,145,361.37 and 507,669.70

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Solution

The fourth proportional to 829,983.28, 1,145,361.37 and 507,669.70 is: 700,574.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,983.28 : 1,145,361.37 = 507,669.70 : x
  2. Step 2: Convert to fraction form
    829,983.28/1,145,361.37 = 507,669.70/x
  3. Step 3: Cross multiply
    829,983.28x = 1,145,361.37 × 507,669.70
  4. Step 4: Simplify right side
    829,983.28x = 581,465,254,834.33
  5. Step 5: Solve for x
    x = 581,465,254,834.33/829,983.28
  6. Step 6: Final answer
    x = 700,574.66

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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.