Home / 476,521.32-657,601.38-258,730.68

Finding the Fourth Proportional to 476,521.32, 657,601.38 and 258,730.68

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Solution

The fourth proportional to 476,521.32, 657,601.38 and 258,730.68 is: 357,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,521.32 : 657,601.38 = 258,730.68 : x
  2. Step 2: Convert to fraction form
    476,521.32/657,601.38 = 258,730.68/x
  3. Step 3: Cross multiply
    476,521.32x = 657,601.38 × 258,730.68
  4. Step 4: Simplify right side
    476,521.32x = 170,141,652,216.34
  5. Step 5: Solve for x
    x = 170,141,652,216.34/476,521.32
  6. Step 6: Final answer
    x = 357,049.40

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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.