Home / 485,070.27-669,417.13-270,210.27

Finding the Fourth Proportional to 485,070.27, 669,417.13 and 270,210.27

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Solution

The fourth proportional to 485,070.27, 669,417.13 and 270,210.27 is: 372,901.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,070.27 : 669,417.13 = 270,210.27 : x
  2. Step 2: Convert to fraction form
    485,070.27/669,417.13 = 270,210.27/x
  3. Step 3: Cross multiply
    485,070.27x = 669,417.13 × 270,210.27
  4. Step 4: Simplify right side
    485,070.27x = 180,883,383,439.93
  5. Step 5: Solve for x
    x = 180,883,383,439.93/485,070.27
  6. Step 6: Final answer
    x = 372,901.41

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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.