Home / 889,697.90-1,227,783.76-481,802.96

Finding the Fourth Proportional to 889,697.90, 1,227,783.76 and 481,802.96

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Solution

The fourth proportional to 889,697.90, 1,227,783.76 and 481,802.96 is: 664,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,697.90 : 1,227,783.76 = 481,802.96 : x
  2. Step 2: Convert to fraction form
    889,697.90/1,227,783.76 = 481,802.96/x
  3. Step 3: Cross multiply
    889,697.90x = 1,227,783.76 × 481,802.96
  4. Step 4: Simplify right side
    889,697.90x = 591,549,849,807.93
  5. Step 5: Solve for x
    x = 591,549,849,807.93/889,697.90
  6. Step 6: Final answer
    x = 664,888.44

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1.5x scale

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.