Home / 751,281.96-1,036,767.06-407,127.40

Finding the Fourth Proportional to 751,281.96, 1,036,767.06 and 407,127.40

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Solution

The fourth proportional to 751,281.96, 1,036,767.06 and 407,127.40 is: 561,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,281.96 : 1,036,767.06 = 407,127.40 : x
  2. Step 2: Convert to fraction form
    751,281.96/1,036,767.06 = 407,127.40/x
  3. Step 3: Cross multiply
    751,281.96x = 1,036,767.06 × 407,127.40
  4. Step 4: Simplify right side
    751,281.96x = 422,096,277,543.44
  5. Step 5: Solve for x
    x = 422,096,277,543.44/751,281.96
  6. Step 6: Final answer
    x = 561,834.70

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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.