Home / 900,090.66-1,241,539.89-577,289.46

Finding the Fourth Proportional to 900,090.66, 1,241,539.89 and 577,289.46

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Solution

The fourth proportional to 900,090.66, 1,241,539.89 and 577,289.46 is: 796,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,090.66 : 1,241,539.89 = 577,289.46 : x
  2. Step 2: Convert to fraction form
    900,090.66/1,241,539.89 = 577,289.46/x
  3. Step 3: Cross multiply
    900,090.66x = 1,241,539.89 × 577,289.46
  4. Step 4: Simplify right side
    900,090.66x = 716,727,892,666.56
  5. Step 5: Solve for x
    x = 716,727,892,666.56/900,090.66
  6. Step 6: Final answer
    x = 796,284.11

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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.