Home / 456,988.02-630,642.96-255,784.02

Finding the Fourth Proportional to 456,988.02, 630,642.96 and 255,784.02

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Solution

The fourth proportional to 456,988.02, 630,642.96 and 255,784.02 is: 352,981.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,988.02 : 630,642.96 = 255,784.02 : x
  2. Step 2: Convert to fraction form
    456,988.02/630,642.96 = 255,784.02/x
  3. Step 3: Cross multiply
    456,988.02x = 630,642.96 × 255,784.02
  4. Step 4: Simplify right side
    456,988.02x = 161,308,391,493.50
  5. Step 5: Solve for x
    x = 161,308,391,493.50/456,988.02
  6. Step 6: Final answer
    x = 352,981.66

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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.