Home / 900,644.41-1,242,685.80-537,997.30

Finding the Fourth Proportional to 900,644.41, 1,242,685.80 and 537,997.30

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Solution

The fourth proportional to 900,644.41, 1,242,685.80 and 537,997.30 is: 742,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,644.41 : 1,242,685.80 = 537,997.30 : x
  2. Step 2: Convert to fraction form
    900,644.41/1,242,685.80 = 537,997.30/x
  3. Step 3: Cross multiply
    900,644.41x = 1,242,685.80 × 537,997.30
  4. Step 4: Simplify right side
    900,644.41x = 668,561,605,148.34
  5. Step 5: Solve for x
    x = 668,561,605,148.34/900,644.41
  6. Step 6: Final answer
    x = 742,314.72

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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.