Home / 942,919.83-1,301,256.95-513,227.79

Finding the Fourth Proportional to 942,919.83, 1,301,256.95 and 513,227.79

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Solution

The fourth proportional to 942,919.83, 1,301,256.95 and 513,227.79 is: 708,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,919.83 : 1,301,256.95 = 513,227.79 : x
  2. Step 2: Convert to fraction form
    942,919.83/1,301,256.95 = 513,227.79/x
  3. Step 3: Cross multiply
    942,919.83x = 1,301,256.95 × 513,227.79
  4. Step 4: Simplify right side
    942,919.83x = 667,841,226,104.50
  5. Step 5: Solve for x
    x = 667,841,226,104.50/942,919.83
  6. Step 6: Final answer
    x = 708,269.36

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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.