Home / 942,607.52-1,300,792.40-512,889.36

Finding the Fourth Proportional to 942,607.52, 1,300,792.40 and 512,889.36

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Solution

The fourth proportional to 942,607.52, 1,300,792.40 and 512,889.36 is: 707,784.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,607.52 : 1,300,792.40 = 512,889.36 : x
  2. Step 2: Convert to fraction form
    942,607.52/1,300,792.40 = 512,889.36/x
  3. Step 3: Cross multiply
    942,607.52x = 1,300,792.40 × 512,889.36
  4. Step 4: Simplify right side
    942,607.52x = 667,162,581,528.86
  5. Step 5: Solve for x
    x = 667,162,581,528.86/942,607.52
  6. Step 6: Final answer
    x = 707,784.06

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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.