Home / 900,643.41-1,242,684.42-537,996.30

Finding the Fourth Proportional to 900,643.41, 1,242,684.42 and 537,996.30

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Solution

The fourth proportional to 900,643.41, 1,242,684.42 and 537,996.30 is: 742,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,643.41 : 1,242,684.42 = 537,996.30 : x
  2. Step 2: Convert to fraction form
    900,643.41/1,242,684.42 = 537,996.30/x
  3. Step 3: Cross multiply
    900,643.41x = 1,242,684.42 × 537,996.30
  4. Step 4: Simplify right side
    900,643.41x = 668,559,620,027.65
  5. Step 5: Solve for x
    x = 668,559,620,027.65/900,643.41
  6. Step 6: Final answer
    x = 742,313.34

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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.