Home / 604,916.40-907,720.20-231,207.60

Finding the Fourth Proportional to 604,916.40, 907,720.20 and 231,207.60

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Solution

The fourth proportional to 604,916.40, 907,720.20 and 231,207.60 is: 346,943.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,916.40 : 907,720.20 = 231,207.60 : x
  2. Step 2: Convert to fraction form
    604,916.40/907,720.20 = 231,207.60/x
  3. Step 3: Cross multiply
    604,916.40x = 907,720.20 × 231,207.60
  4. Step 4: Simplify right side
    604,916.40x = 209,871,808,913.52
  5. Step 5: Solve for x
    x = 209,871,808,913.52/604,916.40
  6. Step 6: Final answer
    x = 346,943.49

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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.