Home / 709,942.40-1,064,913.60-444,003.20

Finding the Fourth Proportional to 709,942.40, 1,064,913.60 and 444,003.20

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Solution

The fourth proportional to 709,942.40, 1,064,913.60 and 444,003.20 is: 666,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,942.40 : 1,064,913.60 = 444,003.20 : x
  2. Step 2: Convert to fraction form
    709,942.40/1,064,913.60 = 444,003.20/x
  3. Step 3: Cross multiply
    709,942.40x = 1,064,913.60 × 444,003.20
  4. Step 4: Simplify right side
    709,942.40x = 472,825,046,123.52
  5. Step 5: Solve for x
    x = 472,825,046,123.52/709,942.40
  6. Step 6: Final answer
    x = 666,004.80

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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.