Home / 751,130.88-1,125,938.16-470,844.96

Finding the Fourth Proportional to 751,130.88, 1,125,938.16 and 470,844.96

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Solution

The fourth proportional to 751,130.88, 1,125,938.16 and 470,844.96 is: 705,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,130.88 : 1,125,938.16 = 470,844.96 : x
  2. Step 2: Convert to fraction form
    751,130.88/1,125,938.16 = 470,844.96/x
  3. Step 3: Cross multiply
    751,130.88x = 1,125,938.16 × 470,844.96
  4. Step 4: Simplify right side
    751,130.88x = 530,142,307,907.67
  5. Step 5: Solve for x
    x = 530,142,307,907.67/751,130.88
  6. Step 6: Final answer
    x = 705,792.19

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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.