Home / 751,281.46-1,036,766.37-407,126.90

Finding the Fourth Proportional to 751,281.46, 1,036,766.37 and 407,126.90

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Solution

The fourth proportional to 751,281.46, 1,036,766.37 and 407,126.90 is: 561,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,281.46 : 1,036,766.37 = 407,126.90 : x
  2. Step 2: Convert to fraction form
    751,281.46/1,036,766.37 = 407,126.90/x
  3. Step 3: Cross multiply
    751,281.46x = 1,036,766.37 × 407,126.90
  4. Step 4: Simplify right side
    751,281.46x = 422,095,478,242.35
  5. Step 5: Solve for x
    x = 422,095,478,242.35/751,281.46
  6. Step 6: Final answer
    x = 561,834.01

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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.