Home / 970,801.04-1,456,857.64-339,720.32

Finding the Fourth Proportional to 970,801.04, 1,456,857.64 and 339,720.32

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Solution

The fourth proportional to 970,801.04, 1,456,857.64 and 339,720.32 is: 509,810.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,801.04 : 1,456,857.64 = 339,720.32 : x
  2. Step 2: Convert to fraction form
    970,801.04/1,456,857.64 = 339,720.32/x
  3. Step 3: Cross multiply
    970,801.04x = 1,456,857.64 × 339,720.32
  4. Step 4: Simplify right side
    970,801.04x = 494,924,143,655.25
  5. Step 5: Solve for x
    x = 494,924,143,655.25/970,801.04
  6. Step 6: Final answer
    x = 509,810.07

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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.