Home / 513,150.80-708,127.21-283,693.49

Finding the Fourth Proportional to 513,150.80, 708,127.21 and 283,693.49

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Solution

The fourth proportional to 513,150.80, 708,127.21 and 283,693.49 is: 391,485.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,150.80 : 708,127.21 = 283,693.49 : x
  2. Step 2: Convert to fraction form
    513,150.80/708,127.21 = 283,693.49/x
  3. Step 3: Cross multiply
    513,150.80x = 708,127.21 × 283,693.49
  4. Step 4: Simplify right side
    513,150.80x = 200,891,079,038.32
  5. Step 5: Solve for x
    x = 200,891,079,038.32/513,150.80
  6. Step 6: Final answer
    x = 391,485.47

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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.