Home / 832,707.18-1,149,131.34-470,127.69

Finding the Fourth Proportional to 832,707.18, 1,149,131.34 and 470,127.69

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Solution

The fourth proportional to 832,707.18, 1,149,131.34 and 470,127.69 is: 648,773.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,707.18 : 1,149,131.34 = 470,127.69 : x
  2. Step 2: Convert to fraction form
    832,707.18/1,149,131.34 = 470,127.69/x
  3. Step 3: Cross multiply
    832,707.18x = 1,149,131.34 × 470,127.69
  4. Step 4: Simplify right side
    832,707.18x = 540,238,462,380.81
  5. Step 5: Solve for x
    x = 540,238,462,380.81/832,707.18
  6. Step 6: Final answer
    x = 648,773.63

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Double scale
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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.