Home / 379,772.48-524,060.16-210,005.12

Finding the Fourth Proportional to 379,772.48, 524,060.16 and 210,005.12

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Solution

The fourth proportional to 379,772.48, 524,060.16 and 210,005.12 is: 289,792.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,772.48 : 524,060.16 = 210,005.12 : x
  2. Step 2: Convert to fraction form
    379,772.48/524,060.16 = 210,005.12/x
  3. Step 3: Cross multiply
    379,772.48x = 524,060.16 × 210,005.12
  4. Step 4: Simplify right side
    379,772.48x = 110,055,316,788.02
  5. Step 5: Solve for x
    x = 110,055,316,788.02/379,772.48
  6. Step 6: Final answer
    x = 289,792.76

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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.