Home / 410,072.08-565,886.64-240,419.20

Finding the Fourth Proportional to 410,072.08, 565,886.64 and 240,419.20

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Solution

The fourth proportional to 410,072.08, 565,886.64 and 240,419.20 is: 331,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,072.08 : 565,886.64 = 240,419.20 : x
  2. Step 2: Convert to fraction form
    410,072.08/565,886.64 = 240,419.20/x
  3. Step 3: Cross multiply
    410,072.08x = 565,886.64 × 240,419.20
  4. Step 4: Simplify right side
    410,072.08x = 136,050,013,279.49
  5. Step 5: Solve for x
    x = 136,050,013,279.49/410,072.08
  6. Step 6: Final answer
    x = 331,770.97

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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.