Home / 850,775.81-1,174,127.50-468,802.59

Finding the Fourth Proportional to 850,775.81, 1,174,127.50 and 468,802.59

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Solution

The fourth proportional to 850,775.81, 1,174,127.50 and 468,802.59 is: 646,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,775.81 : 1,174,127.50 = 468,802.59 : x
  2. Step 2: Convert to fraction form
    850,775.81/1,174,127.50 = 468,802.59/x
  3. Step 3: Cross multiply
    850,775.81x = 1,174,127.50 × 468,802.59
  4. Step 4: Simplify right side
    850,775.81x = 550,434,009,173.25
  5. Step 5: Solve for x
    x = 550,434,009,173.25/850,775.81
  6. Step 6: Final answer
    x = 646,978.92

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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.