Home / 755,150.80-1,134,038.40-400,856.80

Finding the Fourth Proportional to 755,150.80, 1,134,038.40 and 400,856.80

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Solution

The fourth proportional to 755,150.80, 1,134,038.40 and 400,856.80 is: 601,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,150.80 : 1,134,038.40 = 400,856.80 : x
  2. Step 2: Convert to fraction form
    755,150.80/1,134,038.40 = 400,856.80/x
  3. Step 3: Cross multiply
    755,150.80x = 1,134,038.40 × 400,856.80
  4. Step 4: Simplify right side
    755,150.80x = 454,587,004,101.12
  5. Step 5: Solve for x
    x = 454,587,004,101.12/755,150.80
  6. Step 6: Final answer
    x = 601,981.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.