Home / 873,798.06-1,309,017.78-535,853.28

Finding the Fourth Proportional to 873,798.06, 1,309,017.78 and 535,853.28

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Solution

The fourth proportional to 873,798.06, 1,309,017.78 and 535,853.28 is: 802,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,798.06 : 1,309,017.78 = 535,853.28 : x
  2. Step 2: Convert to fraction form
    873,798.06/1,309,017.78 = 535,853.28/x
  3. Step 3: Cross multiply
    873,798.06x = 1,309,017.78 × 535,853.28
  4. Step 4: Simplify right side
    873,798.06x = 701,441,470,991.32
  5. Step 5: Solve for x
    x = 701,441,470,991.32/873,798.06
  6. Step 6: Final answer
    x = 802,750.09

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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.