Home / 456,535.17-630,220.37-272,838.60

Finding the Fourth Proportional to 456,535.17, 630,220.37 and 272,838.60

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Solution

The fourth proportional to 456,535.17, 630,220.37 and 272,838.60 is: 376,637.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,535.17 : 630,220.37 = 272,838.60 : x
  2. Step 2: Convert to fraction form
    456,535.17/630,220.37 = 272,838.60/x
  3. Step 3: Cross multiply
    456,535.17x = 630,220.37 × 272,838.60
  4. Step 4: Simplify right side
    456,535.17x = 171,948,442,078.09
  5. Step 5: Solve for x
    x = 171,948,442,078.09/456,535.17
  6. Step 6: Final answer
    x = 376,637.89

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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.