Home / 456,520.50-630,200.08-272,823.89

Finding the Fourth Proportional to 456,520.50, 630,200.08 and 272,823.89

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Solution

The fourth proportional to 456,520.50, 630,200.08 and 272,823.89 is: 376,617.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,520.50 : 630,200.08 = 272,823.89 : x
  2. Step 2: Convert to fraction form
    456,520.50/630,200.08 = 272,823.89/x
  3. Step 3: Cross multiply
    456,520.50x = 630,200.08 × 272,823.89
  4. Step 4: Simplify right side
    456,520.50x = 171,933,637,303.91
  5. Step 5: Solve for x
    x = 171,933,637,303.91/456,520.50
  6. Step 6: Final answer
    x = 376,617.56

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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.