Home / 876,797.25-1,209,980.21-474,389.25

Finding the Fourth Proportional to 876,797.25, 1,209,980.21 and 474,389.25

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Solution

The fourth proportional to 876,797.25, 1,209,980.21 and 474,389.25 is: 654,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,797.25 : 1,209,980.21 = 474,389.25 : x
  2. Step 2: Convert to fraction form
    876,797.25/1,209,980.21 = 474,389.25/x
  3. Step 3: Cross multiply
    876,797.25x = 1,209,980.21 × 474,389.25
  4. Step 4: Simplify right side
    876,797.25x = 574,001,601,964.80
  5. Step 5: Solve for x
    x = 574,001,601,964.80/876,797.25
  6. Step 6: Final answer
    x = 654,657.17

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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.