Home / 756,590.64-1,044,168.72-565,271.88

Finding the Fourth Proportional to 756,590.64, 1,044,168.72 and 565,271.88

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Solution

The fourth proportional to 756,590.64, 1,044,168.72 and 565,271.88 is: 780,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,590.64 : 1,044,168.72 = 565,271.88 : x
  2. Step 2: Convert to fraction form
    756,590.64/1,044,168.72 = 565,271.88/x
  3. Step 3: Cross multiply
    756,590.64x = 1,044,168.72 × 565,271.88
  4. Step 4: Simplify right side
    756,590.64x = 590,239,215,391.59
  5. Step 5: Solve for x
    x = 590,239,215,391.59/756,590.64
  6. Step 6: Final answer
    x = 780,130.21

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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.