Home / 900,644.18-1,242,685.44-537,997.05

Finding the Fourth Proportional to 900,644.18, 1,242,685.44 and 537,997.05

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Solution

The fourth proportional to 900,644.18, 1,242,685.44 and 537,997.05 is: 742,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,644.18 : 1,242,685.44 = 537,997.05 : x
  2. Step 2: Convert to fraction form
    900,644.18/1,242,685.44 = 537,997.05/x
  3. Step 3: Cross multiply
    900,644.18x = 1,242,685.44 × 537,997.05
  4. Step 4: Simplify right side
    900,644.18x = 668,561,100,797.95
  5. Step 5: Solve for x
    x = 668,561,100,797.95/900,644.18
  6. Step 6: Final answer
    x = 742,314.36

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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.