Home / 755,004.80-1,133,819.40-400,710.80

Finding the Fourth Proportional to 755,004.80, 1,133,819.40 and 400,710.80

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Solution

The fourth proportional to 755,004.80, 1,133,819.40 and 400,710.80 is: 601,762.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,004.80 : 1,133,819.40 = 400,710.80 : x
  2. Step 2: Convert to fraction form
    755,004.80/1,133,819.40 = 400,710.80/x
  3. Step 3: Cross multiply
    755,004.80x = 1,133,819.40 × 400,710.80
  4. Step 4: Simplify right side
    755,004.80x = 454,333,678,829.52
  5. Step 5: Solve for x
    x = 454,333,678,829.52/755,004.80
  6. Step 6: Final answer
    x = 601,762.64

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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.