Home / 487,344.36-672,533.37-272,483.76

Finding the Fourth Proportional to 487,344.36, 672,533.37 and 272,483.76

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Solution

The fourth proportional to 487,344.36, 672,533.37 and 272,483.76 is: 376,026.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,344.36 : 672,533.37 = 272,483.76 : x
  2. Step 2: Convert to fraction form
    487,344.36/672,533.37 = 272,483.76/x
  3. Step 3: Cross multiply
    487,344.36x = 672,533.37 × 272,483.76
  4. Step 4: Simplify right side
    487,344.36x = 183,254,421,383.07
  5. Step 5: Solve for x
    x = 183,254,421,383.07/487,344.36
  6. Step 6: Final answer
    x = 376,026.56

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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.