Home / 651,629.05-899,248.36-396,980.24

Finding the Fourth Proportional to 651,629.05, 899,248.36 and 396,980.24

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Solution

The fourth proportional to 651,629.05, 899,248.36 and 396,980.24 is: 547,832.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,629.05 : 899,248.36 = 396,980.24 : x
  2. Step 2: Convert to fraction form
    651,629.05/899,248.36 = 396,980.24/x
  3. Step 3: Cross multiply
    651,629.05x = 899,248.36 × 396,980.24
  4. Step 4: Simplify right side
    651,629.05x = 356,983,824,283.71
  5. Step 5: Solve for x
    x = 356,983,824,283.71/651,629.05
  6. Step 6: Final answer
    x = 547,832.89

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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.