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Finding the Fourth Proportional to 673,629.96, 928,030.28 and 469,311.30

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Solution

The fourth proportional to 673,629.96, 928,030.28 and 469,311.30 is: 646,549.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,629.96 : 928,030.28 = 469,311.30 : x
  2. Step 2: Convert to fraction form
    673,629.96/928,030.28 = 469,311.30/x
  3. Step 3: Cross multiply
    673,629.96x = 928,030.28 × 469,311.30
  4. Step 4: Simplify right side
    673,629.96x = 435,535,097,146.16
  5. Step 5: Solve for x
    x = 435,535,097,146.16/673,629.96
  6. Step 6: Final answer
    x = 646,549.48

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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.