Home / 679,969.40-1,019,954.10-236,737.40

Finding the Fourth Proportional to 679,969.40, 1,019,954.10 and 236,737.40

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Solution

The fourth proportional to 679,969.40, 1,019,954.10 and 236,737.40 is: 355,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,969.40 : 1,019,954.10 = 236,737.40 : x
  2. Step 2: Convert to fraction form
    679,969.40/1,019,954.10 = 236,737.40/x
  3. Step 3: Cross multiply
    679,969.40x = 1,019,954.10 × 236,737.40
  4. Step 4: Simplify right side
    679,969.40x = 241,461,281,753.34
  5. Step 5: Solve for x
    x = 241,461,281,753.34/679,969.40
  6. Step 6: Final answer
    x = 355,106.10

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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.