Home / 648,323.36-894,288.48-430,541.36

Finding the Fourth Proportional to 648,323.36, 894,288.48 and 430,541.36

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Solution

The fourth proportional to 648,323.36, 894,288.48 and 430,541.36 is: 593,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,323.36 : 894,288.48 = 430,541.36 : x
  2. Step 2: Convert to fraction form
    648,323.36/894,288.48 = 430,541.36/x
  3. Step 3: Cross multiply
    648,323.36x = 894,288.48 × 430,541.36
  4. Step 4: Simplify right side
    648,323.36x = 385,028,178,411.53
  5. Step 5: Solve for x
    x = 385,028,178,411.53/648,323.36
  6. Step 6: Final answer
    x = 593,882.93

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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.