Home / 410,284.80-565,746.68-266,778.72

Finding the Fourth Proportional to 410,284.80, 565,746.68 and 266,778.72

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Solution

The fourth proportional to 410,284.80, 565,746.68 and 266,778.72 is: 367,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,284.80 : 565,746.68 = 266,778.72 : x
  2. Step 2: Convert to fraction form
    410,284.80/565,746.68 = 266,778.72/x
  3. Step 3: Cross multiply
    410,284.80x = 565,746.68 × 266,778.72
  4. Step 4: Simplify right side
    410,284.80x = 150,929,173,800.76
  5. Step 5: Solve for x
    x = 150,929,173,800.76/410,284.80
  6. Step 6: Final answer
    x = 367,864.40

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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.