Home / 751,398.30-1,127,097.45-436,664.70

Finding the Fourth Proportional to 751,398.30, 1,127,097.45 and 436,664.70

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Solution

The fourth proportional to 751,398.30, 1,127,097.45 and 436,664.70 is: 654,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,398.30 : 1,127,097.45 = 436,664.70 : x
  2. Step 2: Convert to fraction form
    751,398.30/1,127,097.45 = 436,664.70/x
  3. Step 3: Cross multiply
    751,398.30x = 1,127,097.45 × 436,664.70
  4. Step 4: Simplify right side
    751,398.30x = 492,163,669,875.02
  5. Step 5: Solve for x
    x = 492,163,669,875.02/751,398.30
  6. Step 6: Final answer
    x = 654,997.05

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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.