Home / 782,157.07-1,079,376.75-424,461.07

Finding the Fourth Proportional to 782,157.07, 1,079,376.75 and 424,461.07

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Solution

The fourth proportional to 782,157.07, 1,079,376.75 and 424,461.07 is: 585,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,157.07 : 1,079,376.75 = 424,461.07 : x
  2. Step 2: Convert to fraction form
    782,157.07/1,079,376.75 = 424,461.07/x
  3. Step 3: Cross multiply
    782,157.07x = 1,079,376.75 × 424,461.07
  4. Step 4: Simplify right side
    782,157.07x = 458,153,410,238.12
  5. Step 5: Solve for x
    x = 458,153,410,238.12/782,157.07
  6. Step 6: Final answer
    x = 585,756.27

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1.5x scale

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.