Home / 903,642.48-1,354,582.44-430,200.72

Finding the Fourth Proportional to 903,642.48, 1,354,582.44 and 430,200.72

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Solution

The fourth proportional to 903,642.48, 1,354,582.44 and 430,200.72 is: 644,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,642.48 : 1,354,582.44 = 430,200.72 : x
  2. Step 2: Convert to fraction form
    903,642.48/1,354,582.44 = 430,200.72/x
  3. Step 3: Cross multiply
    903,642.48x = 1,354,582.44 × 430,200.72
  4. Step 4: Simplify right side
    903,642.48x = 582,742,340,987.36
  5. Step 5: Solve for x
    x = 582,742,340,987.36/903,642.48
  6. Step 6: Final answer
    x = 644,881.53

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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.