Home / 558,786.78-771,142.46-344,050.74

Finding the Fourth Proportional to 558,786.78, 771,142.46 and 344,050.74

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Solution

The fourth proportional to 558,786.78, 771,142.46 and 344,050.74 is: 474,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,786.78 : 771,142.46 = 344,050.74 : x
  2. Step 2: Convert to fraction form
    558,786.78/771,142.46 = 344,050.74/x
  3. Step 3: Cross multiply
    558,786.78x = 771,142.46 × 344,050.74
  4. Step 4: Simplify right side
    558,786.78x = 265,312,132,288.17
  5. Step 5: Solve for x
    x = 265,312,132,288.17/558,786.78
  6. Step 6: Final answer
    x = 474,800.30

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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.