Home / 610,979.08-916,291.50-255,983.08

Finding the Fourth Proportional to 610,979.08, 916,291.50 and 255,983.08

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Solution

The fourth proportional to 610,979.08, 916,291.50 and 255,983.08 is: 383,900.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,979.08 : 916,291.50 = 255,983.08 : x
  2. Step 2: Convert to fraction form
    610,979.08/916,291.50 = 255,983.08/x
  3. Step 3: Cross multiply
    610,979.08x = 916,291.50 × 255,983.08
  4. Step 4: Simplify right side
    610,979.08x = 234,555,120,347.82
  5. Step 5: Solve for x
    x = 234,555,120,347.82/610,979.08
  6. Step 6: Final answer
    x = 383,900.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.