Home / 498,857.34-688,422.06-272,502.84

Finding the Fourth Proportional to 498,857.34, 688,422.06 and 272,502.84

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Solution

The fourth proportional to 498,857.34, 688,422.06 and 272,502.84 is: 376,053.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,857.34 : 688,422.06 = 272,502.84 : x
  2. Step 2: Convert to fraction form
    498,857.34/688,422.06 = 272,502.84/x
  3. Step 3: Cross multiply
    498,857.34x = 688,422.06 × 272,502.84
  4. Step 4: Simplify right side
    498,857.34x = 187,596,966,468.65
  5. Step 5: Solve for x
    x = 187,596,966,468.65/498,857.34
  6. Step 6: Final answer
    x = 376,053.34

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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.