Home / 903,743.32-1,355,151.66-477,508.36

Finding the Fourth Proportional to 903,743.32, 1,355,151.66 and 477,508.36

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Solution

The fourth proportional to 903,743.32, 1,355,151.66 and 477,508.36 is: 716,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,743.32 : 1,355,151.66 = 477,508.36 : x
  2. Step 2: Convert to fraction form
    903,743.32/1,355,151.66 = 477,508.36/x
  3. Step 3: Cross multiply
    903,743.32x = 1,355,151.66 × 477,508.36
  4. Step 4: Simplify right side
    903,743.32x = 647,096,246,717.88
  5. Step 5: Solve for x
    x = 647,096,246,717.88/903,743.32
  6. Step 6: Final answer
    x = 716,017.74

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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.