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Finding the Fourth Proportional to 526,016.16, 725,698.32 and 334,995.36

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Solution

The fourth proportional to 526,016.16, 725,698.32 and 334,995.36 is: 462,163.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,016.16 : 725,698.32 = 334,995.36 : x
  2. Step 2: Convert to fraction form
    526,016.16/725,698.32 = 334,995.36/x
  3. Step 3: Cross multiply
    526,016.16x = 725,698.32 × 334,995.36
  4. Step 4: Simplify right side
    526,016.16x = 243,105,569,959.80
  5. Step 5: Solve for x
    x = 243,105,569,959.80/526,016.16
  6. Step 6: Final answer
    x = 462,163.69

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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.