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Finding the Fourth Proportional to 456,955.59, 630,598.64 and 255,751.59

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Solution

The fourth proportional to 456,955.59, 630,598.64 and 255,751.59 is: 352,937.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,955.59 : 630,598.64 = 255,751.59 : x
  2. Step 2: Convert to fraction form
    456,955.59/630,598.64 = 255,751.59/x
  3. Step 3: Cross multiply
    456,955.59x = 630,598.64 × 255,751.59
  4. Step 4: Simplify right side
    456,955.59x = 161,276,603,553.08
  5. Step 5: Solve for x
    x = 161,276,603,553.08/456,955.59
  6. Step 6: Final answer
    x = 352,937.15

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1.5x scale

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.