Home / 742,617.90-1,113,969.57-210,094.32

Finding the Fourth Proportional to 742,617.90, 1,113,969.57 and 210,094.32

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Solution

The fourth proportional to 742,617.90, 1,113,969.57 and 210,094.32 is: 315,153.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,617.90 : 1,113,969.57 = 210,094.32 : x
  2. Step 2: Convert to fraction form
    742,617.90/1,113,969.57 = 210,094.32/x
  3. Step 3: Cross multiply
    742,617.90x = 1,113,969.57 × 210,094.32
  4. Step 4: Simplify right side
    742,617.90x = 234,038,679,309.84
  5. Step 5: Solve for x
    x = 234,038,679,309.84/742,617.90
  6. Step 6: Final answer
    x = 315,153.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.