Home / 899,079.78-1,240,754.48-536,714.04

Finding the Fourth Proportional to 899,079.78, 1,240,754.48 and 536,714.04

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Solution

The fourth proportional to 899,079.78, 1,240,754.48 and 536,714.04 is: 740,679.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,079.78 : 1,240,754.48 = 536,714.04 : x
  2. Step 2: Convert to fraction form
    899,079.78/1,240,754.48 = 536,714.04/x
  3. Step 3: Cross multiply
    899,079.78x = 1,240,754.48 × 536,714.04
  4. Step 4: Simplify right side
    899,079.78x = 665,930,349,608.90
  5. Step 5: Solve for x
    x = 665,930,349,608.90/899,079.78
  6. Step 6: Final answer
    x = 740,679.93

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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.