Home / 558,784.78-771,139.70-344,048.74

Finding the Fourth Proportional to 558,784.78, 771,139.70 and 344,048.74

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Solution

The fourth proportional to 558,784.78, 771,139.70 and 344,048.74 is: 474,797.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,784.78 : 771,139.70 = 344,048.74 : x
  2. Step 2: Convert to fraction form
    558,784.78/771,139.70 = 344,048.74/x
  3. Step 3: Cross multiply
    558,784.78x = 771,139.70 × 344,048.74
  4. Step 4: Simplify right side
    558,784.78x = 265,309,642,148.98
  5. Step 5: Solve for x
    x = 265,309,642,148.98/558,784.78
  6. Step 6: Final answer
    x = 474,797.55

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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.