Home / 819,110.61-1,130,323.99-470,170.39

Finding the Fourth Proportional to 819,110.61, 1,130,323.99 and 470,170.39

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Solution

The fourth proportional to 819,110.61, 1,130,323.99 and 470,170.39 is: 648,807.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,110.61 : 1,130,323.99 = 470,170.39 : x
  2. Step 2: Convert to fraction form
    819,110.61/1,130,323.99 = 470,170.39/x
  3. Step 3: Cross multiply
    819,110.61x = 1,130,323.99 × 470,170.39
  4. Step 4: Simplify right side
    819,110.61x = 531,444,871,204.66
  5. Step 5: Solve for x
    x = 531,444,871,204.66/819,110.61
  6. Step 6: Final answer
    x = 648,807.21

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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.