Home / 864,459.63-1,297,602.51-485,704.04

Finding the Fourth Proportional to 864,459.63, 1,297,602.51 and 485,704.04

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Solution

The fourth proportional to 864,459.63, 1,297,602.51 and 485,704.04 is: 729,069.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,459.63 : 1,297,602.51 = 485,704.04 : x
  2. Step 2: Convert to fraction form
    864,459.63/1,297,602.51 = 485,704.04/x
  3. Step 3: Cross multiply
    864,459.63x = 1,297,602.51 × 485,704.04
  4. Step 4: Simplify right side
    864,459.63x = 630,250,774,933.13
  5. Step 5: Solve for x
    x = 630,250,774,933.13/864,459.63
  6. Step 6: Final answer
    x = 729,069.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.