Home / 758,921.40-1,136,999.70-617,916.60

Finding the Fourth Proportional to 758,921.40, 1,136,999.70 and 617,916.60

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Solution

The fourth proportional to 758,921.40, 1,136,999.70 and 617,916.60 is: 925,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,921.40 : 1,136,999.70 = 617,916.60 : x
  2. Step 2: Convert to fraction form
    758,921.40/1,136,999.70 = 617,916.60/x
  3. Step 3: Cross multiply
    758,921.40x = 1,136,999.70 × 617,916.60
  4. Step 4: Simplify right side
    758,921.40x = 702,570,988,825.02
  5. Step 5: Solve for x
    x = 702,570,988,825.02/758,921.40
  6. Step 6: Final answer
    x = 925,749.34

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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.