Home / 832,731.12-1,149,064.56-470,110.32

Finding the Fourth Proportional to 832,731.12, 1,149,064.56 and 470,110.32

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Solution

The fourth proportional to 832,731.12, 1,149,064.56 and 470,110.32 is: 648,693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,731.12 : 1,149,064.56 = 470,110.32 : x
  2. Step 2: Convert to fraction form
    832,731.12/1,149,064.56 = 470,110.32/x
  3. Step 3: Cross multiply
    832,731.12x = 1,149,064.56 × 470,110.32
  4. Step 4: Simplify right side
    832,731.12x = 540,187,108,002.26
  5. Step 5: Solve for x
    x = 540,187,108,002.26/832,731.12
  6. Step 6: Final answer
    x = 648,693.31

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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.