Home / 909,250.68-1,254,519.78-516,778.14

Finding the Fourth Proportional to 909,250.68, 1,254,519.78 and 516,778.14

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Solution

The fourth proportional to 909,250.68, 1,254,519.78 and 516,778.14 is: 713,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,250.68 : 1,254,519.78 = 516,778.14 : x
  2. Step 2: Convert to fraction form
    909,250.68/1,254,519.78 = 516,778.14/x
  3. Step 3: Cross multiply
    909,250.68x = 1,254,519.78 × 516,778.14
  4. Step 4: Simplify right side
    909,250.68x = 648,308,398,501.61
  5. Step 5: Solve for x
    x = 648,308,398,501.61/909,250.68
  6. Step 6: Final answer
    x = 713,013.93

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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.